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trueger
neuro nl 1 (cells etc)
42
Other
Not Applicable
05/29/2006

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Cards

Term
astrocytes
Definition
support, repair, K+ MB, help w. BBB
marker:GFAP
Term
GFAP
Definition
astrocytes
Term
support, repair, K+ MB, help w. BBB
marker:GFAP
Definition
astrocytes
Term
ependymal cells
Definition
inner lining of ventrs
Term
inner lining of ventrs
Definition
ependymal cells
Term
phago (CNS)
Definition
microglia
Term
oligodendroglia
Definition
myelinates mult axons (up to 30)
sm nucl, dark chr and lil cytoplasm
predom glial in white matter
destrd in MS
Term
schwann cells
Definition
myelin (PNS)
promotes axon regen
Term
myelin (CNS)
Definition
oligodendroglia
Term
myelin (PNS)
Definition
schwann cells
Term
microglia
Definition
CNS phags
mesodermal origin
not vis on nissl stains
irreg nucl, lil cytoplasm
tissue dmg-> lg ameboid phags
fuse in HIV ->multinucl giant cells
Term
CNS phags
mesodermal origin
not vis on nissl stains
irreg nucl, lil cytoplasm
tissue dmg-> lg ameboid phags
fuse in HIV ->multinucl giant cells
Definition
microglia
Term
myelinates mult axons (up to 30)
sm nucl, dark chr and lil cytoplasm
predom glial in white matter
destrd in MS
Definition
oligodendroglia
Term
predom glial in white matter
Definition
oligodendroglia
Term
acoustic neuroma
Definition
schwannoma in int ac meatus
CN vii, viii
Term
PNS layers
Definition
endo: around single nerve
peri: perm barrier arouns a fascicle of nerves, must rejoin in microsurg for limb reattach
epi: dense CT around entire n & BVs
Term
meissners corpuscle
Definition
sm encaps'd in dermis of palms, soles, digits
lt discrm touch of glabrous skin
Term
sm encaps'd in dermis of palms, soles, digits
lt discrm touch of glabrous skin
Definition
meissners corpuscle
Term
pacinian corpuscle
Definition
lg, encaps n ending in deeper layers of skin at ligs, joint capsules, serous membranes, mesentaries
pressure, coarse touch, vibr, tension
onion
Term
lg, encaps n ending in deeper layers of skin at ligs, joint capsules, serous membranes, mesentaries
pressure, coarse touch, vibr, tension
onion
Definition
pacinian corpuscle
Term
merkel's corpuscle
Definition
cup shaped tactile disks in dermis of fingertips, hair folls, hard palate
lt, crude touch
Term
cup shaped tactile disks in dermis of fingertips, hair folls, hard palate
lt, crude touch
Definition
merkel's corpuscle
Term
inner ear anatomy
Definition
tubes in temporal bone = bony labryinth
filled w. perilymph (Na rich, sim to ECF)
includes cochlea, vestibule, semicircular canals

2nd set of tube: membr labyrinth
filled w. enolymph (K rich, sim to ICF)
incls cochlear duct, utricle & saccule, semicirc canals

Term
hair cells
Definition
sens in vest & cochl
Term
bony labryinth
Definition
filled w. perilymph (Na rich, sim to ECF)
includes cochlea, vestibule, semicircular canals
Term
membr labyrinth
Definition
illed w. endolymph (K rich, sim to ICF)
incls cochlear duct, utricle & saccule, semicirc canals
Term
what makes endolymph
Definition
stria vacularis
Term
stria vacularis
Definition
what makes endolymph
Term
where are utricle and saccule
Definition
vestibule
Term
what do utricle and saccule do
Definition
what detects linear accel
Term
what detects linear accel
Definition
what do utricle and saccule do
Term
what are in the semicirc canals
Definition
ampullae - where are they
Term
ampullae - where are they
Definition
what are in the semicirc canals
Term
what do ampullae do
Definition
detect angular accel
Term
detect angular accel
Definition
what do ampullae do
Term
senile hearing loss
Definition
high freq -> low freq
Term
inner ear fn
Definition
base of cochlea (stiff): high freq
apex: wide & flex = low freq
Term
3 strx in BB
Definition
tight jcns b/t cap endoth cells
BM
astrocyte feet
Term
BBB: glu & aa
Definition
carrier med'd transport
Term
what crosses BBB
Definition
glu & aa (carrier med'd)

nonpolar/lipids>polar/watersol

Term
other blood barriers
Definition
testes, placenta
Term
nonBBB in CNS
Definition
need to sense (ex:area postrema (vomit post chemo)
neurohypophys: ADH (need to secrete)
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