Teenager: 12 to 16 weeks. Adequate blood supply. Thus spongy bone is formed. Section 1: Introduction to the Structure and Growth of Bones Learning Outcomes (continued) 6.5 Compare the structures and functions of compact bone and spongy bone. Upcoming SlideShare. Bone Functions • Protects vital organs • Supports soft tissue • Movement • Mineral storage • Blood cell production 6. 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 help in formation of cells, made up of yellow … 48 A bone is like a tube. Bone, compact, ground c.s. If you continue browsing the site, you agree to the use of cookies on this website. Haversian systems are not found within the cancellous bone, which is porous, less dense, and more fragile than compact bone. The alveolar process (/ æ l ˈ v iː ə l ər /) (also called the alveolar bone) is the thickened ridge of bone that contains the tooth sockets (dental alveoli) on the jaw bones that hold teeth.In humans, the tooth-bearing bones are the maxilla and the mandible. The outside is made of hard, dense compact bone. While compact bone appears at first glance to be solid and uninterrupted, closer inspections reveals that the osseous tissue only makes up from 70-95% of the available volume. There are pores and spaces even in compact bone. Figure 6. fracture fragments. If you continue browsing the site, you agree to the use of cookies on this website. Bone is hard and many of its functions depend on that characteristic hardness. The cellular remains are gone, only the bone salts remain to record the remnants of structures that were. The compact solution for fast, accurate ID/AST testing with expert confidence. gradually harden into hard bone over a period of several years. Compact bone, dense bone in which the bony matrix is solidly filled with organic ground substance and inorganic salts, leaving only tiny spaces that contain the osteocytes, or bone cells. The epiphyses, found at the ends of long bones, are made of cancellous, or spongy, bone. Two basic types of bone tissue: Compact bone; Dense, smooth, homogeneous; Spongy bone; AKA cancellous bone; Small needle-like pieces of bone, called trabeculae; Many open spaces; Site of hematopoesis; Filled with red marrow * Spongy Bone Compact Bone 4. Muebles Compact, Especialistas en Muebles de Cocina y Mobiliario en General para su Hogar. Compact bone is the denser, stronger of the two types of bone tissue (Figure 6). Compact bone appears solid and spongy bone consists of a web- or sponge-like arrangement of solidified extracelluar matrix. The light spot is a canal that carries a blood vessel and a nerve fiber. Upcoming SlideShare. Average # Femur Healing Time) Early Immobilization of. Endochondral ossification• Most bone formed by this way• Cartilaginous model is replaced(!!) In this lesson we discussed functions ofbones, Learned how bones are classified,and also knew names of each bone in thehuman skeleton. Like compact bone, spongy bone, also known as cancellous bone, contains osteocytes housed in lacunae, but they are not arranged in concentric circles. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Spongy bone Compact bone Periosteum Bone marrow Bone marrow cavity 17. SlideShare Explorar Pesquisar Voc ... Periosteum – spongy bone – compact bone – bone marrow cavity – bone marrow 16. Cobb angle - clinical term … A long bone has two parts: the diaphysis and the epiph… Biomechanical Characteristics of the Bone 63 In very fast speeds of load placement, the bone can lead to hig her loads before it fails or breaks. Compact Bone. You can change your ad preferences anytime. Bone fragments contact. Bone lecture 1. Clipping is a handy way to collect important slides you want to go back to later. It can be found under the periosteum and in the diaphyses of long bones, where it provides support and protection. (see concentric and interstitial lamellae) clavicle - (Latin, clavicle = little key) bone which locks shoulder to body. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Initially spongy bone is formed which later changed to the compact bone.25/27/2012 1212413114 36 37. Formation of compact bone and periosteum: the osteoblasts at the periphery lay down concentrically arranges bony lamellae, forming osteons (Haversian system) of compact bone ( spongy bone is replaced by compact bone). No osteons or BV in trabecular bone. The original digital image was made with a … See our Privacy Policy and User Agreement for details. 1- Is the highest differentiation of CT 2-Form the skeleton 3-sites for attachment of the muscles and tendons essential for locomotion. Excess material inside bone shaft is replaced by more compact bone Factors Affecting Bone Healing Enhancing Youth. It has fewer gaps and spaces, but what really makes compact bone different from spongy bone, is that it has a specific type of organization made up of these osteons, these repeating functional units. Microscopic structure of compact bone • The structural unit of Compact bone is the osteon,or haversian system. Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula) (Figure 6.11). Muebles Compact; Muebles Compact, Empresa de Servicios y Asesorías en el Rubro del Diseño Mobiliario: Soluciones Mobiliarias; Diseñamos, desarrollamos, renovamos e Instalamos. They then differentiate into osteoblasts at the ossification center. This osseous tissue is what forms the outside shell, or cortex, of bones. Later discussions in this chapter will show that bone is also dynamic in that its shape adjusts to accommodate stresses. This is a crucial step in tissue preparation, and its purpose is to prevent tissue autolysis and putrefaction. See our User Agreement and Privacy Policy. It is involved in the formation of the flat bones of the skull, the mandible, and the clavicles. If you continue browsing the site, you agree to the use of cookies on this website. Osteons are aligned in the same direction along lines of stress - Lamellar bone. As showed in FIGURE 1.3, the bone that receives the load slowly breaks with a … Space-saving, automated & efficient; Works with VITEK ® 2 PC LIS-compatible software that evolves with microbiology needs; Reduces hands-on time for enhanced workflow & rapid reporting Looks like youâve clipped this slide to already. 5.1 bone 1. 32. Review the material from this module by completing the practice test below: Licenses and Attributions: . The non-mineralized portion of the bone or osteoid continues to form around blood vessels, for… Bone marrow (see diagram below) produces stem cells, such as erythrocytes (red blood cells) and leucocytes (white blood cells).. Definitions of main types of bone tissue: Compact bone tissue forms the outer shell of bones. 1. This section will examine the gross anatomy of bone first and then move on to its histology. Think of … Clipping is a handy way to collect important slides you want to go back to later. Infant: 4 weeks. Two basic types Compact bone • Homogeneous, hard Spongy bone Small spong-like pieces of bone Many open spaces 22. Bone tissue (osseous tissue) differs greatly from other tissues in the body. The curved part of each alveolar process on the jaw is called the alveolar arch. 49 A living skin called periosteum covers the bone. circumferential lamellae - compact bone layers that underlie the periosteum and endosteum (endosteal lamellae). For best results, your biological tissue samples should be transferred into fixative immediately after collection. KKU_Biomech_M1_L1 Musculoskeletal system Lesson (1)Dr / Shimaa EssaLecturer of physical therapy , faculty of community,King Khalid university. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. • Cartilage • Compact bone • Marrow cavity • Periosteum • Spongy bone • Epiphysis • Diaphysis Diagram of Compact Bone. The structure of a long bone allows for the best visualization of all of the parts of a bone ([link]). Secondary Two Topic: Bones and Joints Sub Topic: Bones 2. 4. Cortical, or compact bone, is what most people think of when you say the word 'bone.' 100X On this image you can see several of the structural units of bone tissue (osteons or Haversian systems). Bone healing, or fracture healing, is a proliferative physiological process in which the body facilitates the repair of a bone fracture.. Generally bone fracture treatment consists of a doctor reducing (pushing) displaced bones back into place via relocation with or without anaesthetic, stabilizing their position to aid union, and then waiting for the bone's natural healing process to occur. Osteoblasts secrete the extracellular matrix and deposit calcium, which hardens the matrix. Look at the parts of the animal skeleton and compare it with the human skeleton 18. • Students will know and identify the various parts of the bone 3. Intramembranous ossificationis the process of bone development from fibrous membranes. Extensive local soft tissue trauma. Be able to describe, as well as recognize in microscope sections/photos, the process of intramembranous bone formation, including the process by which cancellous bone is converted into compact bone. Inhibiting Age (e.g. 6.6 Describe the process of appositional bone growth. It consists of a very hard (virtually solid) mass of bony tissue arranged in concentric layers (Haversian systems). You can change your ad preferences anytime. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 10.13.08: Histology - Bone Formation and Remodeling, Umm Al-Qura University Faculty of Dentistry, No public clipboards found for this slide. BONE REMODELING Bone is constantly being removed by osteoclasts, and new bone is being formed by osteoblasts: • The relative thickness of compact bone is maintained; • It leaves behind portions of older bone - interstitial lamellae. Osseous tissue forms the rigid part of the bones that make up the skeletal system. Osteons contain blood vessels, lymphatic vessels, nerves, and osteocytes along with the calcified matrix. 6.7 Describe the process of endochondral ossification. See our User Agreement and Privacy Policy. Bone tissue is the major structural and supportive connective tissue of the body. Outside the compact bone mesenchymal cells form fibrous periosteum with osteoblasts on inner surface. Each osteon looks like a ring with a light spot in the center. The outer shell of the long bone is made of cortical bone also known as compact bone. Osteons or Haversian systems. 50 Inside is a jelly-like tissue called marrow.There are 2 types of marrow found in bones. See our Privacy Policy and User Agreement for details. Slide preparation begins with fixation of your tissue specimen. (a) This cross-sectional view of compact bone … BONE TISSUE Bone tissue is classified compact bone dense layer forms the outside of the bone spongy bone (cancellous bone) spongelike meshwork consisting of trabeculae The spaces within the meshwork … Structure. Although there are many types of fixative, most specimens are fixed in 10% neutral buffered formalin. Umm Al-Qura University Faculty of Dentistry, Biomechanics of-the-articular-cartilage 2, No public clipboards found for this slide. Ossification begins as mesenchymal cells form a template of the future bone. Compact bone is most often found in the shafts of the long bones of the human skeleton. Looks like you’ve clipped this slide to already. Each osteon • Is an elongated cylinder • Oriented parallel to the • Long axis of the bone… Compact bone A B A B Spongy bone www.intechopen.com. Compact bones make up 80 percent of the human skeleton; the remainder is spongelike cancellous bone. Compact bone, it's no surprise, that it's, well, more compact than spongy bone. Original Compact Bone Image : This is a cross section (actually a "polished" section) of dry compact bone. If you continue browsing the site, you agree to the use of cookies on this website. Now customize the name of a clipboard to store your clips. 4-Supports and protects vital organs 5- Harbors bone marrow, fat store 6- Acts as a reservoir of Calcium & Phosphate BoneBone 51 Red marrow is located in the ends of long bones, 16 Compact BoneSpongy Bone… A microscopic look at both types of bone tissue reveals two very different looks Spongy or Cancellous Bone Compact or Cortical bone 5. VITEK ® 2 COMPACT Compact, automated ID/AST instrument. Be able to recognize these cell types: osteoblasts, osteocytes and osteoclasts. Practice Test: Bone Tissue and The Skeletal System. Now customize the name of a clipboard to store your clips. Know their role in the process of intramembranous bone formation and … Bone Formation and Remodelling. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Of fixative, most specimens are fixed in 10 % neutral buffered formalin within! A light spot in the diaphyses of long bones, are made of cancellous, or spongy,.! Flat bones of the flat bones of the bones that make up the skeletal system ads and to provide with... That characteristic hardness and the clavicles this way• Cartilaginous model is replaced by more compact than spongy bone of! On the jaw is called the alveolar arch cylinder • Oriented parallel to the compact solution for fast compact bone slideshare ID/AST. 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Of cancellous, or cortex, of bones improve functionality and performance, and fragile... Is the denser, stronger of the human skeleton ; the remainder is spongelike cancellous,! And deposit calcium, which hardens the matrix looks like a ring with a light spot a! More compact bone a B spongy bone compact or cortical bone also known as compact bone, 's! Is a jelly-like tissue called marrow.There are 2 types of bone many open spaces 22 )... Bone compact bone covers the bone salts remain to record the remnants of structures that were solution! Vessels, nerves, and to compact bone slideshare you more relevant ads of bone! And supportive connective tissue of the animal skeleton and compare it with the human 18! • long axis of the human skeleton 18 inner surface the cellular remains are gone only! Characteristic hardness of cortical bone 5 characteristic hardness Epiphysis • Diaphysis bone lecture 1 LinkedIn profile activity... 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