Label compact bone

Compact bone tissue consists of osteons that are aligned parallel to the long axis of the bone, and the Haversian canal that contains the bone’s blood vessels and nerve fibers. The inner layer of bones consists of spongy bone tissue. The small dark ovals in the osteon represent the living osteocytes. (credit: modification of work by NCI, NIH)

Terms in this set (50) Label the structures of a long bone. Label the regions of a long bone. Label the microscopic anatomy of spongy bone. Correctly label the following anatomical parts of a flat bone. Put the steps in the regulation of blood calcium levels in the correct location. Label the figure with the items provided. hyaline cartilage. The articular cartilage at the ends of long bones is formed from hyaline cartilage. In which of the labeled parts of the adult long bone would hematopoietic tissue be located? B. Hematopoietic tissue is found in the red bone marrow within certain body locations consisting of spongy bone. The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow. The walls of the diaphysis are composed of dense, hard compact bone. Figure 5.3.1 5.3. 1: Anatomy of a Long Bone.Study with Quizlet and memorize flashcards containing terms like Be able to label compact bone and spongy (cancellous) bone on the x-ray (slide 2), The skeletal system is composed of ____ to form a strong, flexible framework, T/F both tendons and ligaments are forms of dense regular connective tissue and more.Compact bone is organized according to structural units called Haversian systems or osteons (Figure 3). These are located along the lines of force and line up along the long axis of the bone. The Haversian systems are connected together and form an interconnected structure that provides support and strength to bones.II. BONE A. Compact and Spongy Bone Slide 54. Compact bone, Homo, Ground section Virtual Slide ID 3382 Slide 56. Spongy Bone, Human rib, H&E Virtual Slide ID 213 Slide 54 is a sample of compact/dense bone that was prepared in the following way. A clean dried bone was sawed into thin slices and then ground on an abrasive stone to the appropriate ...The only bones that lack a true cortex are the vertebrae, which are covered by a compact condensation of trabecular bone. [] All bones are encased in a soft tissue envelope known as the periosteum, which is vital for perfusion and nutrient supply to the outer third of the bone (see the image below).ruptured calcaneal (Achilles) tendon. The skeletal system helps maintain acid-base balance by __________. absorbing or releasing alkaline phosphate and carbonate salts. absorbing carbonic acid and releasing carbon dioxide. storing calcium and adipose in red bone marrow. removing carbon dioxide from red blood cells.

a Bone tissue (exemplified using a C. elaphus sp. antler) is composed of a network of trabecular rods, packed together to become compact bone (left). This tissue is heavily mineralised, composed ...1 Label the following parts . of compact bone on Figure 7.10. ... _ _ T __ Compact bone is the hard, outer bone. _ _ T __ Spongy bone is composed of spicules called trabeculae. __ T __ Spongy bone houses red and yellow bone marrow. _ _ F __ Circumferential Interstitial lamellae are located between osteons. 3 The extracellular matrix of bone consists of. a. …The wall of the diaphysis is made up of compact bone, which is dense and very hard. For most of the life of a long bone, the center of the diaphysis is filled with yellow bone marrow. Yellow bone marrow is basically fat, also known as adipose tissue. Epiphysis . Each end of a long bone is called an epiphysis. Each epiphysis is shaped to fit its …Stage 1. - Deposition of osteoid tissue into embryonic mesenchyme. Stage 2. - Calcification of osteoid tissue and entrapment of osteocytes. Stage 3. - Honeycomb of spongy bone with developing periosteum. Stage 4. - Filling of space to form compact bone at surfaces, leaving spongy bone in middle. Drag each label into the proper position to ... 1 Label the following parts . of compact bone on Figure 7.10. ... _ _ T __ Compact bone is the hard, outer bone. _ _ T __ Spongy bone is composed of spicules called ... Answer; 1: Compact bone: It is the outer shell of the bone which is hard. 2: Bone resorbed by osteocla …. Label the figure with the items provided. Periosteum Compact bone Bone deposited by osteoblasts Bone resorbed by osteoclasts Medullary cavity.

Not all labels will be used. The figure shows a portion of the endochondral ossification process. Label the structures involved. Study with Quizlet and memorize flashcards containing terms like Label the structures of a long bone., Label the regions of a long bone., Label the microscopic components of compact bone. and more.Compact bone. • Lacuna have Osteocytes. • Canaliculi contains the cytoplasmic process of. Osteocytes. • Haversian canal contains a blood vessel.Compact bone (sometimes called cortical bone) is very dense. Cancellous bone (sometimes called spongy bone) looks more like a trabeculated matrix (Figure 2). It is found in the central regions of some of the skull bones or at ends (epiphyses) of long bones. The bone forming cells (osteocytes) get their nutrients by diffusion.Start studying Compact Bone Labeling. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

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Compact bone tissue consists of osteons that are aligned parallel to the long axis of the bone, and the Haversian canal that contains the bone's blood vessels and nerve fibers. The inner layer of bones consists of spongy bone tissue. The small dark ovals in the osteon represent the living osteocytes. (credit: modification of work by NCI, NIH)LAB 5 EXERCISE 5-13 In the photomicrograph below of compact bone tissue, find and label the indicated structures Osteer Lamella Lacuna Osteocyte Canalicul Central canal 1. Obtain a slide of ground compact bone connective tissue from the slide box. 2. View the slide on an appropriate objective. 3. Fill out the blanks next to your drawing. 4.19-Jul-2021 ... A long bone is a bone that has a shaft and 2 ends and is longer than it is wide. Long bones have a thick outside layer of compact bone and ...Anatomy and Physiology questions and answers. Correctly identify this tissue type and then label the features of the tissue. 18 Compact bone Central canal Osteon Fibroblasts 041 Name the tissue type: Reset Zoom O Type here to search 2 4 0W.

Draw and label Ground Bone: haversian system. lamella. lacuna with osteocyte. canaliculi. haversian canal . J. Spongy Bone: underneath the thin layer of compact bone. As the name implies, spongy bone resembles a sponge, that is spicules of bone . called trabeculae which surround marrow cavities. A structural unit of compact bone consisting of a central canal surrounded by concentric cylindrical lamellae of matrix. At right angles to the central canal. Connects bloods vessels and nerves to the periosteum and central canal. Align along lines of stress, no osteons, Contain irregularly arranged lamellae, osteocytes and canaliculi.Compact bone. Has concentric, circumferential, and interstitial lamellae ... Associate a label with either intramembranous ossification or endochondral ossification. Intramembranous Ossification: parietal bones, clavicle, maxilla. Endochondral ossification: Fibula, phalanges, femur, ribs . ... Scapula Flat bone Carpal bone Short bone Femur …Table 7.2 describes the bone markings, which are illustrated in ( Figure 7.2.1 ). There are three general classes of bone markings: (1) articulations, (2) projections, and (3) holes. As the name implies, an articulation is where two bone surfaces come together (articulus = “joint”). These surfaces tend to conform to one another, such as one ...Introduction to the Skeletal System n UNIT 7 n 157 7 Pre-Lab Exercise 7-2 Microscopic Anatomy of Compact Bone Label and color the microscopic anatomy of compact bone tissue in Figure 7.1 with the terms from Exercise 7-1 (p. 159). Use your text and Exercise 7-1 in this unit for reference. FIGURE 7.1 Microscopic anatomy of compact bone.Oct 4, 2019 · Spongy bone, also known as cancellous bone or trabecular bone, is a very porous type of bone found in animals. It is highly vascularized and contains red bone marrow. Spongy bone is usually located at the ends of the long bones (the epiphyses), with the harder compact bone surrounding it. It is also found inside the vertebrae, in the ribs, in ... Bone is living tissue that makes up the body's skeleton. There are 3 types of bone tissue, including the following: Compact tissue. The harder, outer tissue of bones. Cancellous tissue. The sponge-like tissue inside bones. Subchondral tissue. The smooth tissue at the ends of bones, which is covered with another type of tissue called cartilage. classify the following images of bones into the category they represent. flat: scapula, sternum. irregular: sphenoid, vertebra. short: carpals, tarsals. long: ulna, radius, femur. drag each label into the proper position to identify the type of bone describe. compact: made up of osteons, visible, obvious, central canals, also called dense bone ... 1 Label the following parts . of compact bone on Figure 7.10. ... _ _ T __ Compact bone is the hard, outer bone. _ _ T __ Spongy bone is composed of spicules called ... Osteoblasts are bone-forming cells derived from osteoprogenitor stem cells which arise from mesenchymal tissue.They are mostly located in the periosteum and the endosteum but may also occur within compact bone, in regions of remodeling.. Histologically, active osteoblasts, which are engaged in bone matrix synthesis, appear …region of a long bone between the epiphysis and diaphysis. Articular Cartilage. Covers end of bones to prevent friction. Periosteum. A dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles. Medullary Cavity. Cavity within the shaft of the long bones filled with ...They are hard and contain high amounts of minerals. Spongy bones are made up of trabeculae. They are softer and contain a lot of spaces in the bone. Compact bones occur in the outer surface of the …

They are hard and contain high amounts of minerals. Spongy bones are made up of trabeculae. They are softer and contain a lot of spaces in the bone. Compact bones occur in the outer surface of the …

Gross Anatomy of Bone. The structure of a long bone allows for the best visualization of all of the parts of a bone (Figure 6.7). A long bone has two parts: the diaphysis and the epiphysis. The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. 3. Label spongy bone structures shown in this micrograph (arrows): trabecula. bone marrow. 4. Identify the shape of the bones shown below as: long, short, flat, sesamoid or irregular. Write your answers on the spaces provided. 5. Name five bones of the axial skeleton and five bones of the appendicular skeleton.Compact tractors are versatile machines that are commonly used in a variety of applications, from landscaping and gardening to farming and construction. One of the most popular attachments for compact tractors is the front end loader.A structural unit of compact bone consisting of a central canal surrounded by concentric cylindrical lamellae of matrix. At right angles to the central canal. Connects bloods vessels and nerves to the periosteum and central canal. Align along lines of stress, no osteons, Contain irregularly arranged lamellae, osteocytes and canaliculi.The difference between the structure of cortical bone and trabecular bone is that the cortical bone is denser, having porosity ranges between 5% to 10%. …. On the contrary, the trabecular bone is more porous and has porosity ranges between 50% to 90%. It is present at the end of the long bones.The osteocytes are arranged in concentric rings of bone matrix called lamellae (little plates), and their processes run in interconnecting canaliculi. The central Haversian canal, and horizontal canals (perforating/ Volkmann’s) canals contain blood vessels and nerves from the periosteum. show labels. This photo shows a cross section through bone.Figure 6.2 Anatomy of a Long Bone A typical long bone shows the gross anatomical characteristics of bone. Compact Bone. Compact bone is the denser, stronger of the two types of bone tissue. The microscopic structural unit of compact bone is called an osteon, or Haversian system. Each osteon is composed of concentric rings of calcified matrix ...Label compact bone by River Cabrera 9 plays 16 questions ~40 sec English 16p 0 too few (you: not rated) Tries Unlimited [?] Last Played September 23, 2023 - 02:35 am There is a printable worksheet available for download here so you can take the quiz with pen and paper. Remaining 0 Correct 0 Wrong 0 Press play! 0% 08:00.0 Other Games of Interest

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The microscopic features of the compact bone also show that some small, slender tubular passages radiate in all directions from the lacunae. They penetrate the interstitial substances of the lamellae of the compact substance. These are the canaliculi of the compact bone structure. So, the branching from the canaliculi anastomoses with the …They are hard and contain high amounts of minerals. Spongy bones are made up of trabeculae. They are softer and contain a lot of spaces in the bone. Compact bones occur in the outer surface of the …Structure of Bone Tissue. There are two types of bone tissue: compact and spongy.The names imply that the two types differ in density, or how tightly the tissue is packed together. There are three types of cells that contribute to bone homeostasis.Osteoblasts are bone-forming cell, osteoclasts resorb or break down bone, and osteocytes are mature bone cells.region of a long bone between the epiphysis and diaphysis. Articular Cartilage. Covers end of bones to prevent friction. Periosteum. A dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles. Medullary Cavity. Cavity within the shaft of the long bones filled with ... Compact Bone Labeling 5.0 (1 review) + − Flashcards Learn Test Match Created by skuehorrell Terms in this set (23) Term Lamella Location Term Central canal Location Term Osteon Location Term Circumferential lamellae Location Term interstitial lamellae Location Term compact boe Location Term spongy bone Location Term perforating canal Location TermThe axial skeleton comprises the bones found along the central axis traveling down the center of the body. The appendicular skeleton comprises the bones appended to the central axis. Above: The bones of the axial skeleton make up the central axis of the body including the skull, hyoid, vertebrae, ribs, sternum, sacrum, and coccyx.This online quiz is called Compact Bone Labeling. It was created by member NataliBonbon and has 13 questions.Start studying Compact Bone Labeling. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Sep 26, 2023 · This online quiz is called Compact Bone Labeling. It was created by member NataliBonbon and has 13 questions. Bone tissue ( osseous tissue) is a hard and mineralized connective tissue. Bone tissue is made up of different types of bone cells. Osteoblasts and osteocytes are involved in the formation and mineralization of bone; osteoclasts are involved in the resorption of bone tissue. Modified (flattened) osteoblasts become the lining cells that form a ...Label the structures found in compact bone. Part A. Drag the labels onto the diagram to identify the structures found in compact bone. ANSWER: Correct Art-labeling Activity: The Histology of Compact Bone. Identify the microscopic structures of bone. Part A. Drag the labels to identify the microscopic structures of bone. ANSWER: Correct Chapter 6 MC1 …The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow. The walls of the diaphysis are composed of dense, hard compact bone. Figure 5.3.1 5.3. 1: Anatomy of a Long Bone. ….

Jan 31, 2013 · Compact Bone (Cortical Bone) Compact bone is dense bone tissue found on the outside of a bone. Basically, in kindergarten when you drew skeletons, you were drawing compact bone. Compact bone is enclosed, except where it's covered by articular cartilage, and is covered by the periosteum. The periosteum is a thick fibrous membrane covering the ... About this Worksheet. This is a free printable worksheet in PDF format and holds a printable version of the quiz Compact Bone Labeling. By printing out this quiz and taking it with …Identify the tissue. Loose (Areolar) Identify the tissue. Compact Bone. Identify the tissue. Dense Regular. Identify the tissue. Elastic Cartilage. Identify the tissue.19-Jul-2021 ... A long bone is a bone that has a shaft and 2 ends and is longer than it is wide. Long bones have a thick outside layer of compact bone and ...Not all labels will be used. The figure shows a portion of the endochondral ossification process. Label the structures involved. Study with Quizlet and memorize flashcards containing terms like Label the structures of a long bone., Label the regions of a long bone., Label the microscopic components of compact bone. and more.Figure 4.1: Histology and illustration of compact bone tissue, highlighting cells and layers of ECM. Overview. This chapter briefly covers the histology of the hard tissues enamel, dentin, cementum and bone, as well as the soft tissues of pulp and the PDL.The definitions and clinical considerations of these tissues are covered in chapters on the development of …Study with Quizlet and memorize flashcards containing terms like Be able to label compact bone and spongy (cancellous) bone on the x-ray (slide 2), The skeletal system is composed of ____ to form a strong, flexible framework, T/F both tendons and ligaments are forms of dense regular connective tissue and more.Conclusion. Bone is a specialized connective tissue that provides the structural framework of the upper extremity. Without stiff, yet still flexible bone tissue providing a means to resist mechanical forces and provide attachment sites for muscles, the hand would not be able to perform its many essential functions.**For products worth more than INR 25000, we only offer Self-Return option. Returning Products with Inspect & Buy label. 2 Days, Refund. Refunds are ...Week 2 Chapter 5_ Due: 10:59pm on Sunday, February 7, 2021 You will receive no credit for items you complete after the assignment is due. Grading Policy Art-labeling Activity: The cells of bone Label the various types of cells found in bone tissue. Part A Drag the labels to the appropriate location in the figure. ANSWER: Correct Art-labeling Activity: Anatomy of … Label compact bone, compact bone: [ bōn ] 1. the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates, composed chiefly of calcium salts. 2. any distinct piece of the skeleton of the body. See anatomic …, osteoblasts Compact bone contains concentric, interstitial, and circumferential lamellae. The combination of all of the concentric rings of bone built around a single blood vessel is called a (n) osteon. Bone building cells beneath the endosteum lay down bone to form ridges around a blood vessel. False, 2.1. Periosteum. The outermost layer of almost every bone in the body comprises the periosteum, a dense bilayer membrane responsible for appositional bone growth in children, partial blood supply to bone, and bone fracture repair (Figure 1).Periosteum consists of two distinct layers, an outer fibrous layer providing structural …, The compact bones form the hard exterior of the bones, whereas the spongy bones have several pores that are filled with nerves and blood vessels. The terms ‘Haversian system’ or ‘osteon’ refer to the basic cylindrical-shaped structural unit of a compact bone, which in turn forms a substantial part of the structure of the long bones of the human body. The …, Compact Bone - Compact bone is also commonly referred to as cortical bone. It is dense (because of calcified matrix) with tiny spaces known as lucanas. To the naked eye, the compact bone is a solid layer present as the external layer of all bones. Because of its strength, the compact bone makes it possible for the bone to support weight. ..., Anatomy and Physiology questions and answers. Part A Drag the labels onto the diagram to identify the microscopic structures of compact bone (osteons). Osteocyte in lacuna Central canal Interstitial lamellae Lacuna Lamellae Canaliculus ubmit Request Answer wedback 4212 OCT 15 (oc tv., Not all labels will be used. The figure shows a portion of the endochondral ossification process. Label the structures involved. Study with Quizlet and memorize flashcards containing terms like Label the structures of a long bone., Label the regions of a long bone., Label the microscopic components of compact bone. and more., Growth of Bones Learning Outcomes 6.1 Describe the two main divisions of the skeleton, and list the major functions of the skeletal system. 6.2 Classify bones according to their shapes, identify the major types of bone markings, and explain the functional significance of bone markings 6.3 Identify the parts of a typical long bone, and, Label parts of compact bone Terms in this set (20) Endosteum Structure at 1 Nerve Structure at 2 Blood Vessels Structure at 3 Compact bone Structure at 4 Pores …, Compact Bone. Compact bone is the denser, stronger of the two types of osseous tissue (Figure 6.3.6). It makes up the outer cortex of all bones and is in immediate contact with the periosteum. In long bones, as you move from the outer cortical compact bone to the inner medullary cavity, the bone transitions to spongy bone. , Compact bone is the denser, stronger of the two types of bone tissue . It can be found under the periosteum and in the diaphyses of long bones, where it provides support and protection. Figure 6. Diagram of Compact Bone. (a) This cross-sectional view of compact bone shows the basic structural unit, the osteon. (b) In this micrograph of the osteon, …, Compact Bone - Compact bone is also commonly referred to as cortical bone. It is dense (because of calcified matrix) with tiny spaces known as lucanas. To the naked eye, the compact bone is a solid layer present as the external layer of all bones. Because of its strength, the compact bone makes it possible for the bone to support weight. , The outer walls of the diaphysis (cortex, cortical bone) are composed of dense and hard compact bone, a form of osseous tissue. Figure 6.3.1 - Anatomy of a Long Bone: A typical long bone showing gross anatomical features., Long bones are characterized by a shaft that is much longer than it is wide and by a rounded head at each end of the shaft. Long bones are made mostly of compact bone, …, Final answer. Terms: Compact bone Concentric lamella Osteon Perforating canal Periosteum Spongy bone Trabeculae 7 FIGURE 12.11 Label the structures associated with bone, using the terms provided. A3 A4 Pa Terms: Canaliculi Central canal Lacuna (with osteocyte) 2., diaphysis. Which of the following bones is classified as "irregular" in shape? vertebra. The proximal and distal ends of a long bone are called the-. epiphyses. The carpal bones are examples of ________ bones. short. Small bones that fill gaps between bones of the skull are called ________ bones. sutural., There are 3 types of bone tissue, including the following: Compact tissue. The harder, outer tissue of bones. Cancellous tissue. The sponge-like tissue inside bones. Subchondral tissue. The smooth tissue at the ends of bones, which is covered with another type of tissue called cartilage. Cartilage is the specialized, gristly connective tissue that is present in …, This is a collection of free human anatomy worksheets. The completed worksheets make great study guides for learning bones, muscles, organ systems, etc. The worksheets come in a variety of formats for downloading and printing. In most cases, the PDF worksheets print the best. But, you may prefer to work online with Google Slides or …, The difference between the structure of cortical bone and trabecular bone is that the cortical bone is denser, having porosity ranges between 5% to 10%. …. On the contrary, the trabecular bone is more porous and has porosity ranges between 50% to 90%. It is present at the end of the long bones., Bone tissue ( osseous tissue) is a hard and mineralized connective tissue. Bone tissue is made up of different types of bone cells. Osteoblasts and osteocytes are involved in the formation and mineralization of bone; osteoclasts are involved in the resorption of bone tissue. Modified (flattened) osteoblasts become the lining cells that form a ... , Try our top 10 quizzes : 1 - the skeleton: test your knowledge of the bones of the full skeleton. 2 - the brain: can you name the main anatomical areas of the brain?. 3 - the cell: learn the anatomy of a typical human cell. 4 - the skull: Do you know the bones of the skull?. 5 - the axial skeleton: How about the bones of the axial skeleton?. 6 - the heart: name …, Within the compact bone are many layers of cancellous (say: KAN-sell-us) bone, which looks a bit like a sponge. Cancellous bone is not quite as hard as compact bone, but it is still very strong. In many bones, the cancellous bone protects the innermost part of the bone, the bone marrow (say: MAIR-oh). Bone marrow is sort of like a thick jelly, and its …, Osteoblasts are bone-forming cells derived from osteoprogenitor stem cells which arise from mesenchymal tissue.They are mostly located in the periosteum and the endosteum but may also occur within compact bone, in regions of remodeling.. Histologically, active osteoblasts, which are engaged in bone matrix synthesis, appear …, Axial Skeleton. Your axial skeleton is made up of the 80 bones within the central core of your body. This includes bones in your skull (cranial and facial bones), ears, neck, back (vertebrae, sacrum and tailbone) and ribcage (sternum and ribs). Your axial skeleton protects your brain, spinal cord, heart, lungs and other important organs., Not all labels will be used. The figure shows a portion of the endochondral ossification process. Label the structures involved. Study with Quizlet and memorize flashcards containing terms like Label the structures of a long bone., Label the regions of a long bone., Label the microscopic components of compact bone. and more., Structure of Bone Tissue. There are two types of bone tissue: compact and spongy. The names imply that the two types differ in density, or how tightly the tissue is packed together. There are three types of cells that …, Expert Answer. Answer; 1: Compact bone: It is the outer shell of the bone which is hard. 2: Bone resorbed by osteocla …. Label the figure with the items provided. Periosteum Compact bone Bone deposited by osteoblasts Bone resorbed by osteoclasts Medullary cavity., Ans: Cortical Bone: The compact bone also known as the cortical bone is a dense bone in which the bony matrix is solidly filled with organic ground substance and inorganic salts, living only in tiny spaces called lacunae. The lacunae have osteocytes or bone cells. The cortical or the compact bone make up to eighty per cent of the human …, The outer walls of the diaphysis (cortex, cortical bone) are composed of dense and hard compact bone, a form of osseous tissue. Figure 6.3.1 - Anatomy of a Long Bone: A typical long bone showing gross anatomical features., Compact bone, also called cortical bone, is the hard, stiff, smooth, thin, white bone tissue that surrounds all bones in the human body. 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 minerals like calcium., Click the card to flip 👆. • Bones of the skeleton are the primary organs of the skeletal system. • They form the rigid framework of the body and perform other functions described shortly. • Two types of bone connective tissue are present in most of the bones of the body: o compact bone and. o spongy bone (see section 5.2d)., Structure. The outer shell of the long bone is made of cortical bone also known as compact bone. This is covered by a membrane of connective tissue called the periosteum.Beneath the cortical bone layer is a layer of spongy cancellous bone.Inside this is the medullary cavity which has an inner core of bone marrow, it contains nutrients and …, Compact bone is the hard material that makes up the shaft of long bones and the outside surfaces of other bones. Compact bone consists of cylindrical units called osteons. Each osteon contains concentric lamellae (layers) of hard, calcified matrix with osteocytes (bone cells) lodged in lacunae (spaces) between the lamellae. Smaller canals, or canaliculi, …