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26 Cards in this Set
- Front
- Back
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what are the five functions of the skeletal system
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support, storage of minerals and lipids, blood cell production( hempoeisis), protection, and leverage
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minerals such as calcium and phosphate are stored in bones is referred to as
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hydroyapetite
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deep connective tissue with a matrix of calcified collagenous fibers.
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Bone
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seals the outer surface of bones and is found wheever stress arrives from one directions
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compact (dense) bone
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cancellous tissue found inside the compact bone envelope
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spongy bone
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tiny spikes of bone tissue surrounded by bone matrix that has calcified or hard
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trabeculae
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the head of the long bone; proximal and distal
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EPIPHYSIS
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the region of the long bone between th eepiphysis and diaphysis
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METAPHYSIS
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the shaft of the long bone
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DIAPHYSIS
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the cartilage pad that covers surface of a bone inside a joint cavity
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ARTICULAR CARTILAGE
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the membrane found wrapping the bones, except in the joint cavity
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PERIOSTEUM
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lines the medullary cavity
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ENDOSTEUM
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space within bone that contains marrow
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MEDULLARY CAVITY
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mature bone cells responsible for the mantenance of bone
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OSTEOCYTES
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cells that produce the fibers and matrix of bone
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OSTEOBLASTS
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cells that destroy bone, dissolving the fibers and matrix of bone
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OSTEOCLASTS
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referred to as the fundamental unit of compact bone
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OSTEON
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at the center of the osteon; canal that supplies blood vessels and nerves
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CENTRAL CANAL
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concentric calcified layers surrounding central canal
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LAMELLAE
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little pockets of space btwn the lamellae where mature bone cells (osteocytes) are found
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LACUNAE
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microscopic channels btwn the lacunae and lamellae; permits diffusion of nutrients and waste from osteocytes
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CANALICULI
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channel where blood vessels go through
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VOLKMANNS'S CANAL
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responsible for blood cell formation
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RED BONE MARROW
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collagenous fibers most abundant in cartilage; functions are flexibility and support
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HYALINE CARTILAGE
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flattened discs of cartilage btwn vertebrae; functions are rigidity and strength
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FIBRO CARTILAGE
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elastic fibers helps to give structural support and maintain shape
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ELASTIC CARTILAGE
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