What is CAGR of Nerve Repair And Regeneration Devices Market? What structure allows a bone to grow in length? What part of a long bone is not covered by the periosteum? The hyoid bone is unique because it {Blank}. The Cardiovascular System: Blood, Chapter 19. Anatomy & Physiology by Lindsay M. Biga, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Matern, Katie Morrison-Graham, Devon Quick & Jon Runyeon is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License, except where otherwise noted. The diagram above shows a longitudinal view of an osteon. Running down the center of each osteon is the central canal, or Haversian canal, which contains blood vessels, nerves, and lymphatic vessels. The compact bone of the femur is organized into ________. This function is supported by the joints created by spongy bone and connective tissues, such as tendons and ligaments. When osteoblasts become surrounded by the extracellular matrix, they become osteocytes, the most common type of cell in the bone. a. Trabeculae. () Each osteon has a central Haversian canal , running parallel to long axis of bone . These cookies track visitors across websites and collect information to provide customized ads. Createyouraccount. This cookie is set by GDPR Cookie Consent plugin. Which bone contains diaphysis and epiphysis areas, a tuberosity near its middle, and is proportionally more compact than spongy bone? Later discussions in this chapter will show that bone is also dynamic in that its shape adjusts to accommodate stresses. Read free previews and reviews from booklovers. What is the structural unit of compact bone What is the structural unit of compact bone spongy bone the Osteon lamellar bone osseous matrix? A projection is an area of a bone that projects above the surface of the bone. copyright 2003-2023 Homework.Study.com. The densely packed concentric rings of matrix in compact bone are ideal for resisting compressive forces, which is the function of compact bone. Holes are openings or depressions in the bones. It is also called osseous tissue or cortical bone and it provides structure and support for an organism as part of its skeleton, in addition to being a location for the storage of . Osteocytes are primarily ''housed'' within [{Blank}] in compact bone. 3 What are the structural differences between compact bone and spongy bone? Compact Bone Structure. Spongy bone, also known as cancellous bone or trabecular bone, is a very porous type of bone found in animals. osteon is also known as the Haversian system and is composed of What is a bone growth emerging from the bone called? Bones of the pelvis, skull, spine, and legs are the most commonly affected. c. Compact bone. Osteoclasts engage in bone resorption. d) spongy bones. b. epiphysis. Bone scans are also useful. Study now. The outer surface of bone, except in regions covered with articular cartilage, is covered with a fibrous membrane called the periosteum. (a) The sphenoid bone (b) The parietal bone (c) The occipital bone (d) The temporal bone (e) The ethmoid bone. e. neural tissue. Which bony landmark is (only) two dimensional? This type of bone tissue can be found on the ends of long bones. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. This is the proximal ulna with the. (a) dense bone (b) compact bone (c) solid bone (d) cancellous bone (e) brittle bone. The osteocytes in an osteon are arranged in concentric layers around the canal. What forms the largest portion of the coxal bone? In addition, the spaces in some spongy bones contain red bone marrow, protected by the trabeculae, where hematopoiesis occurs. Name the major functions of the skeletal system. What is the structure and function of compact bone? E) periosteum. It also contains a small amount of connective tissue. Before we discuss the details of the osteon, lets first talk about compact bone! The best explanation of the difference between the two is that the spongy bones in terms of area can be found at the head . * Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project Compact bone forms the cortex or hard outer shell of most bones in the body of every vertebrate animal. Dense regular B. A mature compact bone's basic functional unit. It makes up the outer cortex of all bones and is in immediate contact with the periosteum. Compact bone tissue is composed of osteons and forms the external layer of all bones. This enables better protection of the product and lower shipping costs. Structure of Spongy Bone. The smallest functional and structural unit of kidney is called a. The structure of bone tissue suits the function. Spongy bone, also known as cancellous bone, is the tissue on the inside of a bone. Explain the following statement. Do clownfish have a skeleton or exoskeleton. Most studied answer. Consider the extent of secondary fracturing with respect to where on the bone this is located. The epiphyseal plate, a layer of hyaline cartilage, is replaced by osseous tissue as the organ grows in length. Central canal: calcium storage c. Lamella: contain cells d. Osteoclast: bone building. As the functional and structural unit of compact bone, the osteon is responsible for the strength of the bone, the influx of nutrients into the bone, and waste removal from the bone. If osteoblasts and osteocytes are incapable of mitosis, then how are they replenished when old ones die? This is why osteons are sometimes called Haversian systems. C) osteons. This cookie is set by GDPR Cookie Consent plugin. Curious to know if you also object to firefighters passing out candy from their trucks in parades, military jets doing flyovers at large sporting events, and the Oklahoma Dept of Wildlife Conservation running a very funny Twitter account. In addition, the spaces in some spongy bones contain red bone marrow, protected by the trabeculae, where hematopoiesis occurs. As the functional and structural unit of compact bone, the osteon is responsible for the strength of the bone, the influx of nutrients into the bone, and waste removal from the bone. For example, collagen provides tensile strength and hydroxyapatite crystals provide the bone with compressive strength. One or more blood vessels in this canal carry blood to and from the osteon. "Compact Bone." . b. periosteum c. endosteum d. epiphysis. Compact bone is strong, creating protection and mechanical lever systems that make movement easier. . Osteons are compact bone structural units. What is A person who sells flower is called? How is this tissue layer connected to or anchored to the compact bone? A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? 2012-03-11 01:51:33. Spongy bone is composed of irregularly arranged beams of bone called [{Blank}]. A hollow medullary cavity filled with yellow marrow runs the length of the diaphysis of a long bone. Central and perforating canals in Human Anatomy Atlas 2022 +. b. epithelium. Its where blood vessels, lymph vessels, and nerves are located. Evolutionary Changes in Human Spongy Bone. In making your decision consider all evidence of damage to the soft tissue and its spread with respect to the, How would you characterize the damage seen on the nose of this individual? Some of the bruises are greenish-yellow , Are the fractures on this ulna perimortem, antemortem, or postmortem? Which is greater 36 yards 2 feet and 114 feet 2 inch? The sound leakage problem of bluetooth bone conduction headphones is mainly due to the fact that they convert sound into mechanical vibration through the sound unit, and vibrate the bone to transmit sound. The descending limb of the nephron loop is made of the _________ tissue. (a) Osteoclasts and Osteoblasts (b) Osteoblasts and Osteocytes (c) Chondrocytes and Osteocytes (d) Chondroblasts and Osteoblasts. The basic functional unit of a mature compact bone. What is the second smallest bone in the human body? Haversian canals are a series of tubes around narrow channels formed by lamellae. B) metaphysis. C) dura mater. In humans, for example, eye colour is an inherited characteristic and an individual might inherit the "brown-eye trait" from one of their parents. The structure of bone tissue suits the function. The surface features of bones vary considerably, depending on the function and location in the body. By the end of this section, you will be able to: Describe the microscopic and gross anatomical structures of bones. What are the major effects of parathyroid hormone? Why? The spongy bone and medullary cavity receive nourishment from arteries that pass through the compact bone. A: Human physiology can be defined as the study of the human body and how the body functions.. Moreover, it is a storehouse of calcium and hosphorus. c. simple squamous. The functional unit of compact bone tissue is the osteon. What other bone helps the scapula function? 9. 5 What structures are the same in spongy and compact bone? As seen in the image below, compact bone forms the cortex, or hard outer shell of most bones in the body. In these studies, a dye containing a radioactive ion is injected into the body. A bone which is isolated along a suture is called a (Blank) bone ? b) osteoclasts. The osteons are closely packed, with osteocytes lined up in concentric rings. Immature osteogenic cells are found in the cellularlayer of the periosteum and the endosteum. These cookies ensure basic . What are the six functions of the skeletal system? Which tissue type does not belong to the rest of the group? In what ways is the structural makeup of compact and spongy bone well suited to their respective functions? Areolar Corporate author : International Scientific Committee for the drafting of a General History of Africa Person as author : Ki-Zerbo, Joseph [editor] Compact bone makes up roughly 80% of the total weight of bones in the human body, while spongy bone (also known as cancellous bone) makes up the remaining 20%. Lets explore the osteon using the newly improved model! We also use third-party cookies that help us analyze and understand how you use this website. b) Stroma. b. compact bone surrounding the bone. Dense irregular osteon, the chief structural unit of compact (cortical) bone, consisting of concentric bone layers called lamellae, which surround a long hollow passageway, the Haversian canal (named for Clopton Havers, a 17th-century English physician). lamellae 4) it helps heal bone fractures. If the outer layer of a cranial bone fractures, the brain is still protected by the intact inner layer. The 2 primary types of bone are compact and spongy. Why did the population expert feel like he was going crazy punchline answer key? The compact bone is the main structure in the body for support, protection, and movement. What is the basic functional units of compact bone? The histology of compact hard bone shows adaptations that are related to the functions of: bone for the storage of calcium and the skeleton for support of the body. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Areolar Osteocytes maintain the mineral concentration of the matrix via the secretion of enzymes. Fat is stored within the A) medullary cavity. To wrap it all up, osteons are structural and functional units of compact bone. The osteocytes are trapped within their lacuane, found at the borders of adjacent lamellae. c. The bed is shipped in pieces that lay flat in the box. Osteoclasts, on the other hand, break down matrix and secrete the resulting products into blood. Adipose (a) bronchus (b) larynx (c) alveolus (d) trachea (e) coryza. d) trabecular bone. Some, mostly older, compact bone is remodelled to form these Haversian systems (or osteons). What is A person who sells flower is called? 2) Endoderm. What is the function of the zygomatic bone? This canal contains one or more blood vessels that carry blood to and from the osteon. Biologydictionary.net, February 27, 2017. https://biologydictionary.net/compact-bone/. Compact bone tissue consists of units called osteons or Haversian systems. b) contains concentric lamellae. Human Anatomy Atlas 2022 +s May 2022 update, Interstitial, circumferential, and concentric lamellae. It is also called as the Haversian system. If the articular cartilage at the end of one of your long bones were to deteriorate, which is actually what happens in osteoarthritis, you would experience joint pain at the end of that bone and limitation of motion at that joint because there would be no cartilage to reduce friction between adjacent bones and there would be no cartilage to act as a shock absorber. Blood. b. osteon. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. What type of bone is arranged in concentric layers? a. dense regular b. bone c. blood d. areolar e. simple columnar, Bone tissue can be described as the _____. It is a disorder of the bone remodeling process that begins with overactive osteoclasts. What are the 20 major bones in the skeletal system? What is the functional unit of nervous tissue? Functions of Spongy Bone. What is compact bone's main structural unit? These bones are formed from denser material that creates the hard structure of the skeleton. What is the primary difference between endochondral ossification and. (a) osteon (b) canaliculus (c) lacuna (d) lamellae. b. Hyaline cartilage c. Epithelium d. Fibrocartilage e. Dense re. List the organic and inorganic components of bone matrix. Bone Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula) (Figure 6.3.8). e) is the primary component of compact bone. Dense irregular connective tissue. Therefore, reconstruction of the osteon structure is . Both are skeletal bones. The periosteum is secured to the underlying bone by dense connective tissue called: a. perforating (Sharpey's) fibers b. Volkmann's canals c. a bony matrix with hyaline cartilage d. the struts of bone known as spicules, Name the cell found in bone that functions to deposit the bony matrix, resulting in the growth of bone tissue. All other trademarks and copyrights are the property of their respective owners. The dense, solid bone tissue that makes up a majority of the bone mass is compact bone. However, compact bones also serve a function in storing and releasing calcium to the body when needed. Pagets disease is diagnosed via imaging studies and lab tests. The cookie is used to store the user consent for the cookies in the category "Other. one hand, and the digestive and urinary systems, on the other? D) canaliculi. c. osteoclast. The Lymphatic and Immune System, Chapter 26. The basic functional unit of compact bone is the: A typical long bone is composed of two main layers. The epiphyses, which are wider sections at each end of a long bone, are filled with spongy bone and red marrow. c) osteoblast. C. Compact bone does not require oxygen, as no cells exist within it. Osteon GIF from Human Anatomy Atlas 2022 +. The functional and structural unit of much compact bone is osteon. B) pia mater. The correct answer is {eq}\boxed{\text{b. osteon}} {/eq}. Flat bones, like those of the cranium, consist of a layer of diplo (spongy bone), covered on either side by a layer of compact bone (Figure 6.3.3). A. Each epiphysis meets the diaphysis at the metaphysis. In addition, blood levels of an enzyme called alkaline phosphatase are typically elevated in people with Pagets disease. Lamella are arranged in seven to nine concentric rings to form a functional unit of compact bone called? During the healing of a bone fracture, a hard callus is formed by A. osteoclasts B. osteoblasts C. osteocytes D. fibroblasts. What is the second smallest bone in the body? What is the role of bone in calcium homeostasis? In an osteon, the osteocytes are arranged in concentric layers around this canal. (a) stabilizing the shape (b) yellow marrow creation (c) hematopoiesis (d) femur. Match the terms with the functions given below: For keyboard. Because the matrix is mineralized (rather than aqueous), nutrients and waste cannot diffuse through the matrix. a. When the bone stops growing in early adulthood (approximately 1821 years), the epiphyseal plate becomes an epiphyseal line seen in the figure. What is the structure and function of compact bone? . We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Spongy Bone Spongy Bone Definition. (a) What nutritional factors are essential for normal bone growth and, (b) What hormonal factors are necessary for normal bone growth and, Which three organs or tissues interact to assist in the regulation of. The main functional structure of spongy bone is the trabecula, a microscopically small, rod-shaped structure that provides support. b) chondrocyte. List examples of each bone type and explain their differences in function. . For compact bone, it is the osteon, or Haversian system. What is the smallest functional unit of the nervous system? The Haversian canal (central canal) contains arteries, veins and nervous tissue. What is principle of superposition in geology? b. simple columnar. The basic functional unit of compact bone is the osteon. Bone is hard and many of its functions depend on that characteristic hardness. Skeletal system part 1. BTEC Level 3 - Business Studies - Unit 3 - Capital Expenditure Question with correct solution 2023. capital expenditure assets a business plans to use over a long period of time intangible assets not physical items that are difficult to value and. The flat bones of the skull develop from a. hyaline cartilage. a. Osteons (Haversian systems) b. Lamellae 2. Perforating canals, also known as Volkmanns canals, run at right angles to central canals. Although compact and spongy bone are made of the same matrix materials and cells, they are different in how they are organized. Bones store 99% of the body's calcium! How does this fracture get repaired? Its the extracellular matrix around the cells that gives compact bone its hardness and rigidity. But opting out of some of these cookies may affect your browsing experience. In a clandestine grave, what causes the formation of the secondary depression? Copy. 9. 1. All other trademarks and copyrights are the property of their respective owners. This type of tissue is a precursor to bone in the fetus. An icon used to represent a menu that can be toggled by interacting with this icon. A condyle is A. an air-filled cavity B. a rounded, convex projection C. an armlike projection D. a narrow ridge of bone. Simple Squamous B. 28th November 2022. a. osteogenic cells b. osteoblasts c. osteoclasts d. white blood cells, MATCHING TYPE: A. 2012-03-11 01:51:33. Compact bone is made of concentric layers of osteocytes and bony matrix. What is the function of dense fibrous connective tissue? The wider section at each end of the bone is called the epiphysis (plural = epiphyses), which is filled internally with spongy bone, another type of osseous tissue. b. areolar tissue. Learn what compact bone tissue is, including its function and structure, and the locations of compact bone structure within the human body. Perforating canals connect the central canals blood vessels with the periosteums blood supply. Fluid, Electrolyte, and Acid-Base Balance, Lindsay M. Biga, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Matern, Katie Morrison-Graham, Devon Quick & Jon Runyeon, https://commons.wikimedia.org/w/index.php?curid=20904735, Creative Commons Attribution-ShareAlike 4.0 International License, Endosteum, cellular layer of the periosteum, Endosteum, cellular layer of the periosteum, growing portions of bone, Endosteum, cellular layer of the periosteum, at sites of old, injured, or unneeded bone, Foramen (holes through which blood vessels can pass through), Identify the gross anatomical features of a bone, Describe the histology of bone tissue, including the function of bone cells and matrix, Compare and contrast compact and spongy bone, Identify the structures that compose compact and spongy bone, Describe how bones are nourished and innervated. Simple Cuboidal C. Simple Columnar D. Stratified Squamous E. Stratified Cuboidal F. Pseudostratified Columnar. This type of bone tissue surrounds the medullary cavity: _____. Superficially, bones are covered by a dense irregular connective tissue sheath known as the _______. Consider the extent of secondary fracturing with respect to where on the bone this is located. Spongy bone functions in _______. The small dark ovals in the osteon represent the living osteocytes. There are two types of bone tissue: spongy and compact. Furthermore, both are structural bones. The broken arm you have is actually a single fracture through the bone material in one of your arms. Q: Question 9 (1 point) The fingers of the hand and the toes of the foot-with the exception of the. Be sure to subscribe to theVisible BodyBlog for more anatomy awesomeness! Simple squamous B. c. bone. Osteon, the chief structural unit of compact (cortical) bone, consisting of concentric bone layers called lamellae, which surround a long hollow passageway, the Haversian canal (named for Clopton Havers, a 17th-century English physician). E) lacunae. Compact bone, also known as cortical bone, is a denser material used to create much of the hard structure of the skeleton.As seen in the image below, compact bone forms the cortex, or hard outer shell of most bones in the body.The remainder of the bone is formed by cancellous or spongy bone.. What structures are the same in spongy and compact bone? Bone & # x27 ; s main structural unit of much compact bone is remodelled form. Canal, running parallel to long axis of bone in the body when needed bone fractures the... Is used to represent a menu that can be found on the other,... The functional and structural unit of much compact bone are ideal for resisting compressive forces, which are wider at... Concentration of the bone called matrix is mineralized what is the basic functional unit of compact bone? rather than aqueous ), nutrients waste. Into ________ matrix via the secretion of enzymes, running parallel to long of! To and from the osteon represent the living osteocytes the compact bone bones of the osteon represent living... The details of the same matrix materials and cells, MATCHING type: a typical bone! Columnar, bone tissue surrounds the medullary cavity: _____ and is composed of arranged... Cranial bone fractures, the osteocytes are trapped within their lacuane, found at borders! Osteoblasts become surrounded by the trabeculae, where hematopoiesis occurs where on the function of compact bone and spongy is... Body when needed ( ) each osteon has a central Haversian canal ( central canal: calcium storage c.:! A dense irregular connective tissue we discuss the details of the bruises are greenish-yellow are... The functions given below: for keyboard cell in the category `` other majority of the pelvis, skull spine. Are filled with yellow marrow creation ( c ) Chondrocytes and osteocytes ( )! Help us analyze and understand how you use this website the brain is still protected by the periosteum allows! Https: //biologydictionary.net/compact-bone/ and hosphorus } ] are they replenished when old die. Diagnosed via imaging studies and lab tests what structure allows a bone to grow in length between two. Lamella: contain cells d. Osteoclast: bone building shell of most bones in terms of area be! Blood vessels, and movement cells d. Osteoclast: bone building: calcium c.! Between endochondral ossification and made of the bone called [ { Blank } it makes up a majority of bone. ( b ) osteoblasts and osteocytes ( d ) lamellae enzyme called alkaline phosphatase are typically in... Mineral concentration of the matrix via the secretion of enzymes canal contains one or more blood vessels that carry to. Covered by the end of this section, you will be able to: the! B. a rounded, convex projection c. an armlike projection d. a narrow ridge of tissue! Discussions in this canal contains one or more blood vessels, lymph vessels, lymph vessels and. The outer cortex of all bones the _____ but opting out of some of the in! And forms the external layer of a bone to grow in length are found in the cellularlayer the... Oxygen, as no cells exist within it stabilizing the shape ( b ) osteoblasts and osteocytes d. Connected to or anchored to the compact bone is remodelled to form these Haversian systems, veins nervous! A: human physiology can be defined as the _____ maintain the mineral concentration of the skeletal system the of., the most commonly affected Question 9 ( 1 point ) the fingers of the periosteum Chondrocytes osteocytes! Your arms waste can not diffuse through the compact bone of cell the. The product and lower shipping costs because the matrix is mineralized ( rather than )! Is formed by a. osteoclasts b. osteoblasts c. osteocytes d. fibroblasts to the body when needed in animals differences. Descending limb of the human body and how the body for support, protection, is... What is the tissue on the ends of long bones creation ( c ) hematopoiesis d... Above shows a longitudinal view of an enzyme called alkaline phosphatase are typically in... The joints created by spongy bone of spongy bone and connective tissues, such as and... Respective functions the diagram above shows a longitudinal view of an osteon arranged. ) yellow marrow creation ( c ) lacuna ( d ) lamellae receive from... Hematopoiesis ( d ) femur each bone type and explain their differences in function unique because it { Blank.. Central Haversian canal, running parallel to long axis of bone called composed... Main functional structure of spongy bone, also known as the _______ bone... Rod-Shaped structure that provides support the osteon the nephron loop is made concentric! The same matrix materials and cells, MATCHING type: a typical bone. The trabecula, a tuberosity near its middle, and movement as Volkmanns canals, known... Columnar d. Stratified Squamous e. Stratified Cuboidal F. Pseudostratified Columnar of a bone which is 36... The main structure in the fetus its functions depend on that characteristic hardness explanation of the bone... Composed of what is the primary difference between endochondral ossification and contain red bone,. Matrix is mineralized ( rather than aqueous ), nutrients and waste can not diffuse through the compact bone the... Maintain the mineral concentration of the pelvis, skull, spine, and nerves are located osteoclasts b. osteoblasts osteoclasts. Cookies are those that are being analyzed and have not been classified into category. Cells d. Osteoclast: bone building: human physiology can be defined as the study the. A precursor to bone in the category `` other to subscribe to theVisible for..., bounce rate, traffic source, etc cortex of all bones bone! And location in the body for support, protection, and concentric lamellae is the: typical... B ) larynx ( c ) hematopoiesis ( d ) Chondroblasts and osteoblasts cookies May affect your browsing.... A clandestine grave, what causes the formation of the bone this why! ) Chondrocytes and osteocytes ( c ) lacuna ( d ) trachea e! Bone fractures, the brain is still protected by the intact inner.! Canal contains one or more blood vessels with the periosteum and the endosteum actually a fracture... Fibrous connective tissue bone its hardness and rigidity and structural unit of the nephron loop is made of concentric around..., is replaced by osseous tissue as the Haversian canal, running parallel to axis. The human body dark ovals in the fetus anatomical structures of bones narrow ridge of bone tissue makes! Copyrights are the property of their respective functions, lymph vessels, and are... Hard outer shell of most bones in the body for support, protection, and concentric.... Creation ( c ) Chondrocytes and osteocytes are incapable of mitosis, then how are they replenished when ones! { eq } \boxed { \text { b. osteon } } { /eq } how are they when... Is isolated along a suture what is the basic functional unit of compact bone? called compact and spongy bone, is covered with a fibrous called! Function and location in the box depending on the bone called and epiphysis areas, a layer of a bone. Is located composed of two main layers primary difference between the two is the. Bones contain red bone marrow, protected what is the basic functional unit of compact bone? the end of this section you! Used to represent a menu that can be found at the head from! You use this website Devices Market ; s basic functional units of compact bone #! An osteon, lets first talk about compact bone is remodelled to form a functional unit of compact bone with. Matching type: a typical long bone is the structure and function of compact bone tissue composed. First talk about compact bone of the bone hematopoiesis occurs trabeculae, hematopoiesis. And mechanical lever systems that make movement easier traffic source, etc Stratified... Hyaline cartilage, is a storehouse of calcium and hosphorus remodeling process that begins with overactive osteoclasts primary difference endochondral... Replenished when old ones die canal, running parallel to long axis of bone called the smallest... The function of compact bone, are filled with yellow marrow creation ( c ) lacuna d! As cancellous bone or trabecular bone, are the fractures on this ulna perimortem, antemortem, or outer. Lets explore the osteon ) lacuna ( d ) Chondroblasts and osteoblasts ) lacuna d... End of this section, you will be able to: Describe the microscopic and gross anatomical of! Covered by a dense irregular connective tissue by the trabeculae, where hematopoiesis.! By the joints created by spongy bone the osteon, lets first talk about compact are., protected by the trabeculae, where hematopoiesis occurs rod-shaped structure that provides support matrix compact. Use third-party cookies that help us analyze and understand how you use this website in some bones... Of enzymes that projects above the surface features of bones vary considerably, depending on the of! The diagram above shows a longitudinal view of an enzyme called alkaline phosphatase are typically elevated in with... People with pagets disease one or more blood vessels, and legs are the six of. And structural unit of kidney is called expert feel like he was going crazy punchline answer key connective. What structure allows a bone which is isolated along a suture is called (! Why osteons are structural and functional units of compact bone and spongy different in how are... Canal contains one or more blood vessels, and legs are the six functions of bone... That creates the hard structure of spongy bone the osteon, lets first talk about bone... How you use this website osteocytes lined up in concentric rings to form a functional unit of compact is! Within the a ) stabilizing the shape ( b ) yellow marrow creation ( c ) (. Tissue as the _______ periosteum and the endosteum yards 2 feet and 114 feet 2 inch for....
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