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36 Cards in this Set

  • Front
  • Back
how does cavernous sinus drain
via s/i petrosal into sigmoid into IJV
parotid para innerv
V3 auriculo carries 9 para to parotid (via lessr petrosal and otic ganglion_
branches vagus
-i laryngeal (w s. laryngeal a thru cricothyroid mem)
-ext laryngeal (w s thyroid a)
-recurrent (w i thyroid off thyrocervical)
lacrimal innerv
zygo of V2 carries 7 to lacrimal (via grtr petrosal t Vidian/pterygoid gang)
CN7 involved in what auto innerv
lacrimal (via V2 zygo)
chorda tympani
1)submand/subling via V3 lingual
2) taste ant 2/3 via V3 lingual
ex multipolar neurons
MOST, incl motor neurons, ANS, interneurons, pyramidal of ctx, Purkije of cb ctx
reflex loop
mscl stretch stretches Ia afferent, stim alpha motor, cause reflex extrafusal cxn
role of CN9
Sensory: sensory and taste P 1/3 tongue, sensory oropharynx (gag),
Motor: stylopharyngeus
Auto/glands: herrings to carotid, para to parotid via V3 auriculotemp
branches V 1
frontal, nasociliary, lacrimal
role CN III
all eye muscles, lev palpebrae, carries para to eye via short ciliary (miosis and accomadation)
how mydriasis
symp from carotid plexus carried via nasociliary (branch V1) long ciliary
astrocyte markers (3)
GFAP, glutamine synthetase, monoclonocal Ab A2B5
eye para
inferior CNIII carries para short ciliary causing miosis, accomodation
chemoR zone on floor 4th v activates vomitting center in medulla (lateral reticular formation)
embryo of sensory neurons? motor neurons
sensory=alar plate
motor=basal plate
fxn dominant hemi (4)
language, calculation, analysis, praxis (parietal)
branches of V 3
buccal, auriculotemporal, i. alveolar, lingual
retrograde degen in CNS and PNS
mallerian degen
anterograde degen, axons and myelin sheaths disappear with prolifer Schwann, see in PNS and CNS
intermediolateral cell column, fxn
C8-L3 mediate entire symp innervation
foramen magnum
spinal roots XI, brain stem, vertebral a
role of V1 branches
branches=frontal, nasociliary, lacrimal
Sensory: nasociliary cornea
Auto/glands: nasociliary carries symp causing mydriasis
role V3 branches
branches=buccal, auriculotemporal, i alveolar, lingual
Sensory: buccal (cheek), auriculotemp (upper 1/2 ear)
motor: mastication, mylohyoid, a digastric, 2 tensors
carries: auriculo carries 9 para to parotid, lingual carries 7 chorda tymp to submand/subling
put and GP
gray commun rami
unmyelinated postgang symp found at all levels SC
white commun rami
myelinated pregang symp at T1-L3
complex BG with NT
premotor + (gluta) putamen,
putamen - (GABAb, enkephalin)GPex
STN + (gluta) GPi
VL + (gluta) premotor
CN9 role in auto innerv
Herrings to carotid, parasymp to parotid (via V3 auriculotemp)
role astrocytes
(not neuronal)
-foot processes
-metab of GABA, serotonin, gluta
-buffer K
bipolar neurons, ex
CN8, CN1, retina
role of V2 branches
branches=infraorbital, zygomatic
Sensory: infraorbital-nasopharynx, upper teeth
Auto/glands: zygomatic carries 7 to lacrimal
corpus striatum=
Ib in reflex
(golgi tnedon organ)senses tension and provides inhib feedback to alpha motor neuron
fxn prefrontal ctx
lateral (dorsal)=working mem, exec fxn
medial/orbital=mood and emotion (rel phenomen of gage)
sigmoid sinus
receives transverse sinus (deep veins via galen + i. sagittal and strt sinus, and bridging via s. sagittal sinus)