CN Nuclei Flashcards
spinal cord ends at
l2
decorticate posturing
spastic paralysis with hyperflexion of the upper limbs
what is the only cn to cross the midline and exit posteriorly
trochlear
where is the hypoglossal nuclei
medulla in midlien
lumbar plexus
l1-4
which cn have nucleus ambiguous
9 and 10
what can cause decorticate posturing
cva in IC - cst affected
cerebellar cortex
molecular o purkinjue m granule I
what are the 4 components of the vagus nerve
solitary - taste nucleus ambiguous - motor dorsal motor nucleus - parasympathetic spinal trigeminal nucleus
where are the segmental arteries
off intercostals
which nuclei collects info of pain from dura
spinal trigeminal nuclei of cn 10
what is the function of the retic formaton
cn reflexes pain respiration sleep activate the cerebral cortex
what is decerebrate posturing
rigidity and paraplegia in extensoin
cn4 nuclei of origin
inferior colliculus
what can cause decerebrate posturing
vestibulospinal tract
what nerve supplies the special sensory to the anterior 2/3 of tongue
chorda tympani of facial
what muslces does the hypoglossal supply?
genioglossus hypoglossus styloglossus intrinsic tongue muscles
cn6 nuclei of origin
pons