Z331 Fall 2010 Ecampus Week 2 Lecture 4 Intro Bone Gross Anatomy Posted

Z331 Fall 2010 Ecampus Week 2 Lecture 4 Intro Bone Gross Anatomy Posted

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Week 2: Lecture 4: Chapter  6 –   The Skeletal System:  Bone Tissue: Intro to Bone  Gross Anatomy
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Functions of the  Skeletal System 1. Support 2. Storage of minerals (calcium) 3. Storage of lipids (yellow marrow) 4. Blood cell production (red  marrow) 5. Protection 6. Leverage (force of motion) Figure 6–2, 183
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Bone (Osseous) Tissue (Internal Tissues)  Supportive connective tissue Contains specialized cells Solid matrix of calcium salt  deposits & collagen fibers Figure 6-3, 184 http://www.sarcoma.org/pathology_review/pathology%20introduction/source/bone3.html http://www.bioe.psu.edu/faculty/ brown.html http://www.swri.org/3pubs/ttoday/fal l98/bone.htm
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Diaphysis:  the shaft  Epiphysis:  wide part at each end articulation with other  bones Metaphysis:  where diaphysis and  epiphysis meet Long Bones Figure 6–2a, 183
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The Diaphysis A heavy wall (cortex) of  compact bone, or dense 
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Unformatted text preview: bone • A central space called marrow cavity Figure 6–2a, 183 Figure 6-5, 186 http://www.geology.wisc.edu/~museum/geo107/b0nes.html Osteon • The basic unit of mature compact bone (microscopic) • Osteocytes are arranged in concentric lamellae • Central canal contains blood vessels Figure 6-3, 184 Figure 6-5, 186 The Epiphysis • Mostly spongy (cancellous) bone • Covered with compact bone (cortex) Figure 6–2a, 183 Figure 6-6, 187 http://www.geology.wisc.edu/~museum/geo107/b0nes.html Spongy Bone • Does not have osteons • Open network of trabeculae • Between trabeculae contains: – red bone marrow – yellow bone marrow Figure 6–6, 187 http://www.geology.wisc.edu/~museu m/geo107/b0nes.html http://www.bu.edu/histology/p/02601oba.htm http://w3.ouhsc.edu/histolo gy/Glass %20slides/69_02.jpg...
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