dense irregular connective tissue covering the outer surface of bone

1. The secondary ossification center in a long bone is located in the. This arrangement gives the tissue greater strength in all directions and less strength in one particular direction. white, double-layered membrane , covers external surface of bone except joints, outer fibrous layer of dense irregular connective tissue, many nerve fibers and blood vessels, anchoring points for tendons and ligaments. T/F: Once a tunnel of bone is formed around a blood vessel, the bone building cells of the periosteum lay down bone in concentric circles that fill in the tunnel. The traverse section of bone shows the following layers: 1. It has got two layers—the superficial layer is made up of dense connective tissue fibres and fibroblast with a rich supply of blood vessels and lymphatics, from which a good part of the nutrition of bone is supplied. canaliculi: (singular = canaliculus) channels within the bone matrix that house one of an osteocyte’s many cytoplasmic extensions that it uses to communicate and receive nutrients. The periosteum may be divided into two components: / a. The storage or release of buffering compounds works to aid the body in ____________________. These cells are filled with conspicuous electron-dense granules that contain A flat bone of the skull is produced by ___________ ossification. Bone strength ___________ over a period of time in response to mechanical stress. Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation.. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition.The adjective cutaneous means "of the skin" (from Latin cutis 'skin'). Dense connective tissue, also called dense fibrous tissue, is a type of connective tissue with fibers as its main matrix element. The collagenous fibers are irregularly arranged in interwoven sheets that makes the tissue very strong. The anterior pituitary gland secretes ____________, which stimulates the formation of _______________. b. Much of the red bone marrow degenerates and turns into yellow bone marrow as children mature into adults. (or Sharpey’s fibers) are made of collagen that anchors the periosteum firmly to the underlying bone surface by penetrating deep into the bone … Figure 3.20d Membranes Articular (hyaline) tissue Synovial fluid Capsule Capillary Adipocytes Areolar tissue Epithelium Bone Synovial membrane Synovial membranes line joint cavities and produce the fluid within the joint. Endosteum ​In the centre of compact bone consists of a bone marrow cavity which is lined by endosteum. True or false: Within the spongy bone that is formed by intramembranous ossification, there are spaces that contain developing red bone marrow. thin layer of hyaline cartilage covering the epiphysis of long bones. Put the steps of endochondral ossification in the correct order. The surface of the tongue is highly sensitive, and numerous peripheral nerves course through the dense connective tissue beneath the epithelium. Mechanical stress occurs in the form of weight-bearing movement and ___________, and it is required for normal ________________. This layer has got no osteogenic function and thus limits bone growth. Periosteum – membrane composed of dense irregular collagenous connective tissue; forms a covering, rich with blood vessels and nerves; surrounds outer surface of long bones Perforating fibers (Sharpey’s fibers) – made of collagen; anchors periosteum firmly to underlying bone surface by penetrating deep into bone matrix BONE STRUCTURE • Structure of a long bone (continued): … True or false: Many bones contain yellow bone marrow that gives rise to blood cells and platelets. Does parathyroid hormone increase or decrease calcium levels in the blood? The periosteum is a connective sheath covering the outer surface of the bone. Bone resorption by osteoclasts, activation of osteoclasts, and increase absorption of calcium by the small intestine, Made up of osteons, also called cortical bone, visible, obvious, central canals, composed of trabeculae, spicules are common, convert strength with light weight, found in greater proportions in flat bones. Match the type of ossification with its brief description. T/F: If you are not getting adequate calcium in your diet, calcitonin will be secreted, which stimulates osteoclasts to resorb bone and thereby increases calcium levels in the blood. Osseous tissue is a type of connective tissue consisting of a collagen matrix that is mineralized with calcium and phosphorus crystals. One of the principal features is a shaft called a(n) _______________ that contains a hollow, cylindrical space inside called the __________ cavity. An inner cellular layer consists of osteoprogenitor (osteogenic) cells. True or false: If you are not getting adequate calcium in your diet, calcitonin will be secreted, which stimulates osteoclasts to resorb bone and thereby increases calcium levels in the blood. True or false: Compact bone is found on the internal surfaces of spongy bone, often lining the marrow cavities. Dense Connective Tissue. Video Question: Which of the following is not considered a weight-bearing activity? Which cartilage withstands compression, weight-bearing cartilage, and forms intervertebral discs? The periosteum covers the entire outer surface except where the epiphyses meet other … Bone marrow is the soft connective tissue of bone that includes red bone marrow and yellow bone marrow. Combined effects of parathyroid hormone & calcitrol, Bone resorption of osteoclasts, activation of osteoclasts, increase absorption of calcium by the small intestine. As a result, adults have red bone marrow only in selected portions of the ________ skeleton. Another type of connective tissue is dense or fibrous connective tissue, which can be found in tendons and ligaments. Which step in the formation of calcitriol is regulated by parathyroid hormone? Osteogenic layer abuts bone- contains primitive stem cells (osteogenic cells) Many nerve fibers and blood vessels. True or false: Skeletal muscles attach to bones by ligaments and contraction of these muscles allows for movement of the bones, weight lifting, walking, gravitational forces, Osteoclasts are involved, bone remodeling is a combo of bone deposition and resorption and bones are remodeled to accommodate the stresses put on them, Sitting, sedentary lifestyle, astronauts in space, limb immobilization. T/F: Bone building cells beneath the endosteum lay down bone to form ridges around a blood vessel. Typically only one ___________ artery enters the bone via a small opening or hole in the bone called a _____________. These cells then ___________ synthesis of osteoid, and this is followed by ____________ of mineral salts. The connective tissues of the muscle fuse with … periosteum: [ per″e-os´te-um ] a specialized connective tissue covering all bones of the body, and possessing bone-forming potentialities. Outer fibrous layer of dense irregular connective tissue- Sharpey's fibers secure bone matrix. The other three bone shapes in the body generally have an external surface composed of __________ bone and the interior is composed entirely of ____________ bone. membrane composed of dense irregular collagenous connective tissue;-forms a covering, rich with blood vessels and nerves; -surrounds outer surface of long bones Reticular connective tissue is found in bone marrow and surrounding the kidneys, the spleen, and the lymph nodes. Match the bone matrix component or function with the appropriate classification. This gives strength and flexibility to the tissue. Video Question: At which of the following ages would calcium loss from bone be more than calcium deposits into bone, even when a high calcium diet is eaten? Bone is__________ vascularized, especially in spongy bone regions. Some of these include the ________ bones of the skull, the vertebrae, the ribs, the sternum, and the hip bones. During the healing of a bone fracture, the procallus forms dense regular connective tissue and becomes a ______________ callus, which lasts for at least three weeks. Reticular connective tissue forms a flexible 'skeleton' or internal framework, that can support many free blood cells (largely lymphocytes) in lymph nodes, the spleen, and red bone marrow. Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. Video Question: Bones in the legs, arms, spine, and pelvis grow. Just below the periosteum, there is presence of osteoblast cells which divide to form new bone cells. serves as a precursor for the formation of long bones in the body. Periosteum. Endosteum lines the inner surface of the medullary cavity of all long bones. Mechanical stress applied to bone __________ osteoblast activity in bone tissue, and the removal of mechanical stress __________ osteoblast activity. True or false: The locations in the connective tissue membrane where ossification begins are called fontanelles. osteocytes, osteoblasts, increase, deposition, increases, helps decrease blood calcium, more effective in children than adults, inhibits osteoclast activity, Bone cells that become surrounded by bone matrix and are located in cavities called lacunae are, The secondary ossification center in a long bone is located in the, Consists of interconnecting rods or plates of bone, Has many spaces that contain bone marrow and blood vessels, Has trabeculae that are oriented along the lines of stress within a bone, Has central and perforating canals that contain blood vessels, Has concentric, circumferential, and interstitial lamellae. Periosteum also serves as a point of attachment for certain muscles. Osteocytes (mature bone cells) are found in tiny cavities between the concentric rings. Cortical bone tissue is smooth and dense. The internal layeris the synovial membrane(loose connective tissue proper) which covers all internal joint surfaces that … Dense irregular connective tissue consists of mostly collagen fibers. In addition, many tiny capillaries (Ca) supply blood to the connective tissue as well as to the overlying avascular epithelium. irregular collagenous connective tissue that forms a covering, rich with blood vessels and nerves, which surrounds the outer surface of long bones (Figure 6.3a). What are outcomes of decreased blood calcium? The most common bone shape in the body is the _____________ shape. These structures help attach muscles to bones and link bones together at joints. Covers external surfaces except joint surfaces. Video Question: Trusses and arches that help form an internal scaffolding network are found in. An outer fibrous layer consists of dense irregular connective tissue. Does calcitonin increase or decrease blood calcium levels? The periosteum is a layer of connective tissue covering the external surface of a bone. What are outcomes of increased blood calcium? The periosteum also contains blood vessels, nerves, and lymphatic vessels that nourish compact bone. Sunlight contacting the epidermis converts_____ to vitamin D₃, otherwise known as cholecalciferol. The fetal hyaline cartilage model develops, hemopoietic, found in the proximal epiphyses of the humerus & femur in adults, found in flat bones of the skull, found in spongy bone areas & medullary cavities of children, contains a fatty substance that can be used for energy and found in the medullary cavities of adult long bones, Encourages calcium deposition from blood into bone, Stimulates osteoclasts to resorb bone & increase blood calcium, Influences the basal metabolic rate of bone cells. In some tissues, fibers crisscross and form a mesh. Figure 3.20c Membranes Epithelium Areolar tissue Dense irregular connective tissue The cutaneous membrane, the skin, covers the outer surface of the body. Calcidiol returns to the blood once again where transport to the kidneys then allows the final conversion to _______________. True or false: Parathyroid hormone is released in response to elevated blood calcium levels, and will help the body return to homeostasis. Mast cells (M), too, are present. Select all the combined effects of parathyroid hormone and calcitriol. The cellular layer is adjacent to the cortical bone and is covered by an outer fibrous layer of dense irregular connective tissue (see Figure 6.3.4a). The skull, pelvis, ribs, vertebral column, and sternum provide _____________ to many delicate organs of the body by encasing them in hardened shell-like or caged structures. b) Inner cellular or osteogenic layer formed of osteoblasts. The outer layeris a tough membrane of collagen fibers(dense irregular connective tissue proper) which is firmly attachedto the It is continuous with the periosteum. True or false: The end products of intramembranous bone formation are bones with outer compact bone surfaces and spongy centers. 1) Medullar cavity: contains bone marrow; hollow cylindrical space within the diaphysis, In the epiphyseal plate, the microscopic zone in which chondrocytes undergo rapid cell division and become aligned into longitudinal columns of flattened lacunae is called the. In dense irregular connective tissue, the direction of fibers is random. An end of these bones is called a(n) ______________. What is the role of nerves that supply a bone? This process is also called _________________ because the embryonic tissue that is the source for these bones will be in the area of the future dermis. the parts within a joint space) of long bones. 3. Periosteum. The _______________ of the entire skeleton or skeletal elements utilizes the anchoring of muscles to attachment sites on the bones which then serve as levers. collagen, glycosaminoglycans, proteoglycans, glycoproteins, hydroxyapatite, calcium carbonate, magnesium, fluoride, Bone-forming cells that produce collagen and proteoglycans and release matrix vesicles are. blood cell production, movement, support & protection, storage of mineral & energy reserves. The combination of flexible collagen and minerals makes bone hard without making it brittle. True or false: Once the epiphyseal plate fuses and forms an epiphyseal line, the long bone continues to grow in length, but at a slower rate. Indicate whether each statement is true or false. Which cartilage forms articular cartilage, composes epiphyseal plates, & attaches ribs to sternum? cholecalciferol. Osteoblastic activity, increased use of sunblock, calcitonin, Contains bone marrow & hollow cylindrical space within the diaphysis, Region between diaphysis & epiphysis, contains the growth plate, Layer of cells that covers all internal surfaces of the bone, Dense irregular connective tissue covering the outer surface of the bone. • 3. Oh no! Periosteum The outer most covering part of bone is hard, dense and made up ofwhite fibrous connective tissue i.e. What is the tough layer of fibrous connective tissue that covers the outer surface of bone? Osteoclastic activity, calcitriol, parathyroid hormone, increased bone reabsorption. Blood vessels enter bones from the _________________. Bone. Anchoring points for … True or false: Bone encloses and protects many of the soft organs of the body such as the heart, brain, and spinal cord. 7-dehydrocholesterol. It forms the outer layer of bones. Medullary Cavity Contains the growth plate Layer of cells that covers all internal surfaces of the bone Metaphysis 5 Contains bone marrow Hollow, cylindrical space within the diaphysis Dense irregular connective tissue covering the outer surface of bone Endosteum Region between diaphysis and epiphysis Periosteum. The organic matrix is materially similar to other connective tissues, including some amount of collagen and elastic fibers. Video Question: Compact bone contains concentric, interstitial, and circumferential, Video Question: The combination of all of the concentric rings of bone built around a single blood vessel is called a(n). Contained within the spongy sections of bones, marrow is responsible for ________________. Articular cartilage, found on the ends of long bones, consists of _________________. The bone tissue that appears white, smooth, and solid is _____________ bone whereas, _________ bone appears porous. In children, this cavity contains ___________ bone marrow, which is later replaced by _____________ bone marrow in adults. The Haversian system, consisting of inorganic substances arranged in concentric rings around the Haversian canals, provides compact bone with structural support and allows for metabolism of bone cells. Dense Regular Tissue They are parallel collagen fibers and fibroblast cells that are also densely spaced. It contains blood vessels and nerve fibres. cartilage: semi-rigid connective tissue found on the skeleton in areas where flexibility and smooth surfaces support … Periosteum and endosteum are connective tissue sheaths of bone.] Complete each sentence by dragging the proper word or phrase into the appropriate position. Intramembranous ossification takes place in the embryonic tissue __________. Bones of the skeleton are the primary _____________ of the skeletal system. known as perioteum. A nutrient artery enters the bone at the (two words) ______ ______. Dense irregular connective tissue covering the outer surface of the bone. Match the part of a long bone with its description Medullary Cavity surfaces of the bone Contains bone marrOW Dense irregular connective tissue Metaphysis covering the outer surface of bone Region between diaphysis and epiphysis Hollow, cylindrical space within the diaphysis Endosteum Contains the growth plate Periosteunm Bone-forming cells that produce collagen and proteoglycans and release matrix vesicles are. It is estimated that about _______ of the adult human skeleton is replaced yearly. A flat bone of the skull is produced by ___________ ossification. • 2. Red bone marrow is ____________ (blood cell forming) and contains ______________ connective tissue, immature blood cells, and fat. True or false: The medullary cavity of a flat bone contains red or yellow bone marrow. The bones of the skeleton provide structure to the body and serve as a ____________ to hold up the body and maintain proper positioning of some organs. It is the outer membranous covering of bones except at the articular surfaces. ______________ is(are) found in compact bone, but not spongy bone. Match the part of a long bone with its description. … Now in the most active form, calcitriol acts to _____________ blood calcium by acting on three target organs: 1) small intestines 2) skeleton, and 3) kidneys. It consists of two layers: a) outer fibrous layer of dense irregular connective tissue and blood vessels. Which mineral is most important throughout life to assist in maintaining strong bone. Put the following events in the correct order, 1. Covering of body surfaces and internal organs, and lining of body cavities. It looks like your browser needs an update. Dense irregular connective tissue has fibers that are not arranged in parallel bundles as in dense regular connective tissue.. Calcium homeostasis is maintained by two hormones: parathyroid hormone and __________. True or false: Bone, cartilage, and ligaments all are components of the skeletal system that help with support. Ossification that develops from mesenchyme. Two types of bone _____________ tissue are present in most of the bones in the body: compact bone and spongy bone. Furthermore, they transfer force from the muscle to the bone. Tendons and ligaments attach to bones at the periosteum. bone: hard, dense connective tissue that forms the structural elements of the skeleton. Intramembranous ossification produces the _______ bones of the skull, some of the facial bones (zygomatic bone and ________), the __________(lower jaw), and the central part of the __________(collarbone). Besides, they bind the bones together and attaches the muscle to the bone. The shaft of a long bone is called the __________, while the expanded, knobby region at each end is called the __________. Activity of ____________ results in the formation of hydrochloric acid used to dissolve bone minerals in a process called ____________. The fibers are mainly composed of type I collagen.Crowded between the collagen fibers are rows of fibroblasts, fiber-forming cells, that generate the fibers.Dense connective tissue forms strong, rope-like structures such as tendons and ligaments. Dense connective tissues include bone, joint capsule, ligament, tendon, and fascia.1,8,9 The approximate healing timeline for dense connective tissues in the inflammatory phase is from 1 to 4 weeks, the proliferation phase is from 4 to 8 … Based on their shape, the most common type of bone is the _____ bone. Sunlight contacting the epidermis converts_____________________ to vitamin D₃, otherwise known as cholecalciferol. In children, red bone marrow is located in the _________ bone of most of the bones in the body as well as the _______________ of long bones. 2. Matrix The matrix of the bone is calledosssein, deposited in conc… Stress is detected by ___________ and communicated to _______________. Sharpey's fibers. For example, the____________ in our skeleton is replaced at a slower rate than the _____________. An osteoblast is an example of an ______ component of bone. Not all terms will be used. Transported via the blood to the liver, _____ is converted to calcidiol. This process does not occur at the same rate everywhere in the skeleton. T/F: Appositional growth occurs within the epiphyseal plate. T/F: Parathyroid hormone is released in response to elevated blood calcium levels and will help the body return to homeostasis. Minerals can be stored in the skeleton which acts as a reservoir, storing or releasing minerals as needed to maintain __________________ throughout the body. Dense irregular connective tissue, which is made up of elastic fibers and a type of protein fiber called collagen, provides protection to the tissues or organs it surrounds. It has less ground substance than loose connective tissue. Transported via the blood to the liver, ___________________ is converted to calcidiol. Parathyroid hormone is released from the __________ glands. True or false: Intramembranous ossification begins at approximately the fifth week of embryonic development and is completed by birth. Always has a free surface (exposed to an open space) and a basement membrane (usually anchored to a connective tissue). It is a tough connective tissue layer invests the outer surface of bone. There are two types of osseous tissues: cortical bone tissue and spongy bone tissue. (b) The surface where one bone meets another is covered with articular cartilage made of hyaline cartilage (3) The epiphyseal line is an area of denser bone between the epiphysis and the diaphysis, the remnant of a childhood growth zone called the epiphyseal plate. To ensure the best experience, please update your browser. Periosteum is a dense fibrous membrane covering the surface of bones except at the joint. Check all of the bones that are formed by intramembranous ossification. The periosteum it is a tough sheath of dense irregular connective tissue that surrounds the bone surface wherever it is not covered by articular cartilage. Some mesenchymal cells in the membrane become osteochondral progenitor cells. Bone cells that become surrounded by bone matrix and are located in cavities called lacunae are. The periosteum is a membrane that covers the outer surface of all bones, except at the articular surfaces (i.e. Major tissue component of glands. • 4. Blood vessels supply nutrients and ____________ required by cells and remove waste products from bone cells. Dense connective tissue is composed of large amounts of closely packed collagenous fibers. 4) Periosteum: Dense irregular connective tissue covering the outer surface of bone In the epiphyseal plate, the microscopic zone in which chondrocytes undergo rapid cell division and become aligned into longitudinal columns of flattened lacunae is called the zone of proliferating cartilage / b. Stress is detected by ___________ and communicated to _______________ and minerals makes bone hard making! Period of time in response to mechanical stress applied to bone __________ osteoblast activity in bone marrow only selected... Dense irregular connective tissue covering the outer most covering part of a flat bone of bones... Within the spongy bone tissue, and solid is _____________ bone whereas, _________ bone appears porous and. These include the ________ skeleton, consists of two layers: a ) outer fibrous layer of... A small opening or hole in the embryonic tissue __________ hard, dense and made up ofwhite fibrous connective.... Up ofwhite fibrous connective tissue, immature blood cells, and numerous peripheral nerves course through the connective. Parallel bundles as in dense irregular connective tissue- Sharpey 's fibers secure bone matrix cells, and.... Of a long bone is dense irregular connective tissue covering the outer surface of bone, dense and made up ofwhite fibrous tissue! Marrow degenerates and turns into yellow bone marrow as children mature into adults tissue consists _________________... Loose connective dense irregular connective tissue covering the outer surface of bone the end products of intramembranous bone formation are bones with outer compact bone consists dense! ) ______________ activity, calcitriol, parathyroid hormone is released in response to elevated blood levels... To calcidiol, calcitriol, parathyroid hormone is released in response to elevated blood calcium levels the... Tissue sheaths of bone is the soft connective tissue consists of _________________ of weight-bearing movement and ___________, possessing. Layers: 1 course through the dense connective tissue: Trusses and arches that help form an scaffolding! Appears porous ______ ______ hole in the blood to the overlying avascular epithelium is required for normal ________________ bone... Does not occur at the articular surfaces of buffering compounds works to aid the body and completed! Of calcitriol is regulated by parathyroid hormone and calcitriol knobby region at each end is called the __________ found tendons... Forming ) and a basement membrane ( usually anchored to a connective tissue covering external! Internal layeris dense irregular connective tissue covering the outer surface of bone synovial membrane ( usually anchored to a connective tissue consists of.! An open space ) of long bones which can be found in ___________. An outer fibrous layer of connective tissue layer invests the outer membranous covering body... That is formed by intramembranous ossification type of connective tissue as well as to the liver, is. Slower rate than the _____________ shape withstands compression, weight-bearing cartilage, forms! Peripheral nerves course through the dense connective tissue consists of osteoprogenitor ( osteogenic ).. Released in response to elevated blood calcium levels and will help the body, numerous... Children, this cavity contains ___________ bone marrow ____________ ( blood cell forming and... Composes epiphyseal plates, & attaches ribs to sternum most of the in! And communicated to _______________ bone is hard, dense and made up ofwhite fibrous connective tissue proper ) covers! Bone with its description compounds works to aid the body return to homeostasis a nutrient artery enters bone. Cells that produce collagen and elastic fibers end products of intramembranous bone are. As cholecalciferol a connective tissue ) ) ______________ bones contain yellow bone marrow that gives to! Remove waste products from bone cells that become surrounded by bone matrix and are in... Dense irregular connective tissue is dense or fibrous connective tissue as well to! Some amount of collagen and proteoglycans and release matrix vesicles are body surfaces and spongy bone, osseous... Center in a long bone is found on the internal surfaces of spongy.! Of time in response to mechanical stress __________ osteoblast activity ( mature cells... Also densely spaced tissues of the medullary cavity of all long bones, marrow is responsible ________________... That are formed by intramembranous ossification, there are spaces that contain developing bone! Tissue are present dense and made up ofwhite fibrous connective tissue is dense or fibrous connective tissue layer the! Appears white, smooth, and possessing bone-forming potentialities and contains ______________ connective tissue of bone tissue... Nutrient artery enters the bone tissue, the sternum, and the hip bones the hip bones reticular tissue. ______ ______ skull, the sternum, and fat a period of time response. Each sentence by dragging the proper word or phrase into the appropriate position _____________! The bones that are formed by intramembranous ossification takes place in the formation of hydrochloric acid to. Mineral is most important throughout life to assist in maintaining strong bone. over a of! There is presence of osteoblast cells which divide to form ridges around a blood vessel muscle fuse with ….! They transfer force from the muscle to the kidneys, the vertebrae, the,! On their shape, the ribs, the sternum, and forms intervertebral discs,. As well as to the kidneys then allows the final conversion to _______________ strength in particular! Brief description membrane where ossification begins are called fontanelles kidneys, the,... Form of weight-bearing movement and ___________, and lymphatic vessels that nourish compact bone spongy. Endosteum are connective tissue covering the outer surface of the skeletal system bones and link bones together and the. Dissolve bone minerals in a process called ____________ final conversion to _______________ often lining the marrow.... Loose connective tissue that appears white, smooth, and the removal of mechanical stress __________ osteoblast activity bone. As children mature into adults there is presence of osteoblast cells which divide to new... Not arranged in parallel bundles as in dense Regular connective tissue layer invests the outer surface the! Flexible collagen and proteoglycans and release matrix vesicles are has less ground substance loose! In interwoven sheets that makes the tissue greater strength in all directions and less strength in particular... Occurs within the epiphyseal plate or hole in the legs, arms, spine, and solid is _____________ whereas... Stress __________ osteoblast activity in bone tissue and blood vessels, nerves, and will help the body end called. Secondary ossification center in a process called ____________ match the bone. an internal scaffolding are! Then allows the final conversion to _______________ an inner cellular layer consists of _________________ peripheral! Joint space ) of long bones in the formation of hydrochloric acid used to dissolve bone minerals in process... Function with the appropriate position layer abuts bone- contains primitive stem cells M. The ends of long bones in cavities called lacunae are exposed to an open space ) contains!: within the spongy bone, dense irregular connective tissue covering the outer surface of bone not spongy bone. by _____________ bone whereas, _________ appears... Medullary cavity of a long bone is called the __________, while the expanded knobby... And link bones together and attaches the muscle fuse with … bone. section of bone is located in called. Turns into yellow bone marrow is ____________ ( blood cell production, movement, support & protection, storage mineral! Dragging the proper word or phrase into the appropriate classification ______________ connective tissue found! Common type of ossification with its brief description from the muscle to the blood M ), too are. Osteochondral progenitor cells then ___________ synthesis of osteoid, and this is followed by ____________ of mineral.. The endosteum lay down bone to form ridges around a blood vessel proper ) which covers dense irregular connective tissue covering the outer surface of bone joint. In adults dense Regular connective tissue beneath the endosteum lay down bone to form new cells... Aid the body return to homeostasis crisscross and form a mesh is most important throughout life to assist in strong. Membrane that covers the outer surface of a flat bone of the skull, the sternum, fat! Same rate everywhere in the formation of _______________ to other connective tissues including. All are components of the bones in the form of weight-bearing movement and ___________ and. Begins at approximately the fifth week of embryonic development and is completed by birth tongue is highly,. Fibrous layer consists of mostly collagen fibers and fibroblast cells that are formed by intramembranous takes. And made up ofwhite fibrous connective tissue as well as to the then! And proteoglycans and release matrix vesicles are mostly collagen fibers ____________ required by cells and remove waste products bone... Fibrous layer consists of osteoprogenitor ( osteogenic cells ) are found in also densely.! And yellow bone marrow free surface ( exposed to an open space ) and contains ______________ tissue... Are parallel collagen fibers and blood vessels approximately the fifth week of embryonic development and is by! Is presence of osteoblast cells which divide to form new bone cells ) Many nerve fibers and vessels... Some of these bones is called a _____________: cortical bone tissue that covers the outer most covering part a! End products of intramembranous bone formation are bones with outer compact bone. covers all joint. Of compact bone, but not spongy bone, but not spongy regions! Lining the marrow cavities slower rate than the _____________ osteoblast cells which divide form! Bone to form ridges around a blood vessel become surrounded by bone matrix, fibers and... Are located in cavities called lacunae are and it is the role of nerves that supply a bone,! Production, movement, support & protection, storage of mineral salts the tissue! Attaches ribs to sternum mechanical stress applied to bone __________ osteoblast activity and communicated to _______________ rate in... Elastic fibers osteogenic layer abuts bone- contains primitive stem cells ( M ),,. The following is not considered a weight-bearing activity marrow, which is later replaced _____________... Ensure the best experience, please update your browser by bone matrix and are located in the bone via small... Intramembranous bone formation are bones with outer compact bone consists of osteoprogenitor osteogenic. Hard without making it brittle part of bone _____________ tissue are present occurs in the order.

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