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19 Cards in this Set
- Front
- Back
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fixed joints
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prevent movement
found in skull |
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ligament
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tough bands of connective tissue that hold the joints in place.
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haversian canal
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narrow channel that blood vessels run through
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spongy bone
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beneath compact one is a network of connective tissue
contains blood marrow |
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periosteum
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tough membrane that covers bone's surface
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osteocytes
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bone cells
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blood marrow
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yellow- fills shafts of long bones
red- makes blood cells and platelets |
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axial skeleton is made up of...
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skull, ribs, spine, and sternum
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appendicular skeleton is made up of...
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limbs, scapula, clavicle, pelvis
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*saddle joint
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allows movement back and forth and up and down, but does not allow for rotation like a ball and socket
joint. ex: fingers |
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*pivot joint
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allows for rotation around an axis
ex: radius and ulna of forearm |
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*hinge joint
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back and forth movement
- toes |
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*ball and socket joint
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capable of motion around an indefinite number of axes
ex: hip |
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gliding joints
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joint bones slide past each other
ex: midcarpal and midtarsal |
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actin/ myosin
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myosin- protein that thick filaments of muscle fiber are made of
actin- thin filaments |
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What are myofibrils made of?
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two types of protein filaments-- thick ones and thin ones
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Which point is an origin attached?
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to the stationery bone
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Which poit is the insertion attached
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to the moving bone
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Sarcomere
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functional unit of muscle contraction
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