15) Bone - Last time - respiratory tract Respiratory tract...

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Respiratory tract -upper tract -larynx -trachae -primary (main) bronchi -lower tract (lungs) -bronchi -bronchioles -respiratory bronchioles -alveolar ducts -alveoli Last time - respiratory tract
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Skeletal System -bone, cartilage, and tendon + ligaments -bone and bone formation -bone functions -support and attachment of muscle -protection of soft organs -storage and mobilization of calcium -marrow (blood cells) Skeletal system-Introduction
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Bone -organ (structure) -compact bone -cancellous (spongy) bone -long bones = model -shaft = diaphysis -ends = epiphysis -articular cartilage -metaphysis -shaft meets ends -covering = periosteum -lining = endosteum Skeletal system-bone structure
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Bone -cells -osteoprogenitor -osteoblasts -osteocytes -osteoclasts -coverings -periosteum -endosteum -matrix -osteoid Skeletal system-bone structure
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Bone Cells Skeletal system-bone cells
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Osteoblasts -located outside bone -periosteum (under CT) -endosteum -synthesize bone -secrete osteoid (matrix) -inactive = squamous -active = cuboidal -ultrastructure -RER (making protein) -golgi (packaging) -vesicles (export) Skeletal system-bone cells
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Osteocytes -located inside bone -surrounded by matrix -lacunae -canaliculi -gap junctions Skeletal system-bone cells
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-located surface bone -large multinucleate -derived eosinophil/monocyte lineage -bone re-absorption -enzymes, acid
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This note was uploaded on 12/23/2010 for the course BIOL 302 taught by Professor Mungo during the Fall '09 term at Waterloo.

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15) Bone - Last time - respiratory tract Respiratory tract...

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