Bone - SKELETAL SYSTEM (bone & cartilage) Shapes of...

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SKELETAL SYSTEM ( bone & cartilage )
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Shapes of Bones
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Structure of a Long Bone
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Surface Features of Bones
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SKELETAL FUNCTIONS Support Protection Aid movement Mineral homeostasis Blood cell production by red bone marrow Triglyceride storage by yellow bone marrow
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OSSEOUS TISSUE (BONE) tough connective tissue Matrix contains calcium, phosphorus & other minerals. Long bones include: 1) compact bone with osteons (Haversian systems) 2) spongy bone composed of trabeculae (rods, plates, spines) & red bone marrow.
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Histology of Compact Bone
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OSSEOUS TISSUE (BONE) Osteogenic cells (stem cells) Osteoblasts - form matrix Osteocytes – strain sensors Osteoclasts - destroy bone matrix
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SKELETAL REGIONS Axial skeleton - forms central axis (skull, vertebral column, ribs, sternum, and sacrum) Appendicular skeleton - limb bones & girdles that are attached to the axial skeleton
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THE SKULL 22 bones joined together by sutures Cranial bones surround cranial cavity Facial bones support teeth, form nasal cavity & orbit
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This note was uploaded on 09/24/2011 for the course BSC 1085 taught by Professor Staff during the Summer '09 term at Broward College.

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Bone - SKELETAL SYSTEM (bone & cartilage) Shapes of...

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