Skeletal System AP1
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The skull, the vertebral column and thoracic cage, pectoral girdle and upper limbs, and pelvic girdle and lower limbs | skeletal system
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Function: support, movement, mineral storage, blood cell formation | skeletal system
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The skeletal system is divided into what 2 sections? | Axial and appendicular skeleton
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Consists of skull, vertebrae, sternum, ribs, sacrum, and hyoid | axial skeleton
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Consists of pectoral girdle, upper limbs, pelvic girdle, and lower limbs | appendicular skeleton
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80 bones make up this skeletal section | axial skeleton
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126 bones make up this skeletal section | appendicular skeleton
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Total number of bone in adult human body | 206
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2 types of bones | compact and spongy
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Smooth and homogenous | compact
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A lot of open space & trabeculae which are bars of bones | spongy bone
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Have huge blood supply and are mostly made up of compact bone | long bone
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Usually a long shaft with two heads | long bone
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Examples: humerus, femor, phalanges | long bone
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Examples: wrists and ankles | short bones
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Mostly spongy bone | short bone
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Compact bone that sandwiches spongy bone (cube shaped) | flat bone
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Examples: skull, scapula, ribs | flat bones
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Examples: some facial bones (sphenoid), vertebrae | irregular
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4 types of bone | Short, long, irregular, and flat
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2 special types of bones | sesamoid and wormian/sutural bones
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Special types of short bone formed at tendons | sesamoid
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Tiny bones between cranium bones | wormian/sutural
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Vary in terms of number; location is different for each individual | special types of bone
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Depressions and openings | fissure, fontanels, foramen, fossa, meatus, sinus
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Processes that form joints | condyle, facet, head
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Attachment processes | crest, epicondyle, linea, process, trochanter, tubercle, tuberosity
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Created by:
Lisa Hall
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