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Cranial nerve nuclei - Medulla (spinal nucleus of V (Lateral part of the…
Cranial nerve nuclei - Medulla
solitary nucleus
visceral sensoty
VII, IX TASTE
changes in Cardiorespiratory system and GIT sensations
IX, X
spinal nucleus of V
pain and temperature
C2 - point of entry of the CN V in the pons
Lateral part of the medulla and pons
:warning: lateral vascular lesion
nucleus ambiguus
skeletal muscle lmn
IX and X
Dorsal nucleus of X
preganglionic parasympathetic fibers
terminal ganglia in: thorax, foregut, midgut
lateral to the hypoglossal nuleus - floor of 4th ventricle
hypoglossal nucleus
midline beneath central canal and 4th ventricle
tongue muscles except for palatoglossus
XI nucleus
SC - Foramen magnum - joins fibers of X - jugular foramen
intramedullary lesions do not affect XI
NOT a brain stem cranial nerve
abducens nucleus
same level of the brain stem lower pons as the VII motor nucleus - lateral to the MLF
VII motor nucleus
fibers curve around the posterior side of the abducens nucleus (Internal genu of the VII nerve)
superior olivary nucleus
lower pons - ventral to CN VII
auditory impulses from both ears by way of cochlear nuclei
Vestibular nuclei
posterior surface of the pons lateral to the abducens nucleus - extend into medulla
Cochlear nuclei
pontomedullary junction
all fibers of VIIIth nerve terminate here