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Midterm 2
Muscles, Bones, Membranes
35
Anatomy
Undergraduate 1
04/22/2008
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Term
bursae
 Definition
small cushionlike sacs b/t moving body parts
Term
keratin
 Definition
tought, waterproof, abrasion resistant, protective
Term
stratum corneum
 Definition
horny outer layer of epidermis
Term
cyanosis
 Definition
bluish gray, not enough O2
Term
dermal papillae
 Definition
bumps, fingerprints
Term
reticular layer
 Definition
deeper network of interlacing fibers
Term
lanugo
 Definition
hair on a baby
Term
hair papilla
 Definition
where hair growth begins
Term
trabeculae
 Definition
needlelike structures of spongy bone
Term
osteon
 Definition
bone matrix organized into osteons or haversian systems
Term
periosteum
 Definition
bone membrane
Term
axial skeleton
 Definition
skull, spine, chest and hyoid
Term
appendicular skeleton
 Definition
upper and lower extremeties
Term
true ribs
 Definition
7 pairs
Term
false ribs
 Definition

5 pairs incl u pairs floating
Term
synarthrosis
 Definition
ex.  fixed joint in skull
Term
medullary cavity
 Definition
yellow marrow
Term
endosteum
 Definition
lines medullary cavity
Term
articular cartilage
 Definition
covers ephyses as cushion
Term
lacrimal
 Definition
1st bone inside orbit.  upper cheek.
Term
vomer
 Definition
inside bottom nasal cavity
Term
trochanters
 Definition
proximal end of femur
Term
amphiarthrosis
 Definition
pubic bone cartilage
Term
malleolus
 Definition
ankle
Term
saddle
 Definition
thumb joint
Term
condyloid
 Definition

wrist
Term
tonic
 Definition
maintain body position
Term
sarcomeres
 Definition
basic contractile unit separated by Z lines.  consist of thick and thin filaments
Term
myofibrils
 Definition
wires in cable. 
Term

thick/thin filaments

 Definition
thick myosin thin actin
Term
contraction
 Definition
needs atp and calcium
Term
isometric
 Definition
no movement
Term
isotonic
 Definition
movement at joint
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