Upper Medulla (pg. 90) Flashcards
(24 cards)
function of cochlear nuclei (dorsal and ventral, 8)
ipsi. hearing
input to cochlear nuclei
dorsal and ventral, 8
ipsi. CN 8from spiral ganglion
output from cochlear nuclei
dorsal and ventral, 8
bilateral superior olivary nuclei, inferior colliculus via lateral lemniscus
function of vestibular nuclei (inferior and medial, 8)
balance and posture
input to vestibular nuclei
inferior and medial, 8
CN VIII from inner ear
output from vestibular nuclei
inferior and medial, 8
medial longitudinal fasciculus
function of spinal trigeminal (5) nuclei
ipsi. pain and temp of head
input to spinal trigeminal (5) nuclei
ipsi. peripheral receptors for pain and temp
output from spinal trigeminal (5) nuclei
contra VPM (ventral posterior medial) of thalamus
function of CN 6 tract
lateral rectus moving laterally; abduct
input to CN 6 tract
abducens nucleus in pons
output from CN 6 tract
lateral rectus
function of CN 7 tract
facial expression, motor control facial muscles
input to CN 7 tract
facial motor nucleus of pons
output from CN 7 tract
facial muscles
function of CN 8 tract
balance and hearing
input to CN 8 tract
vestibular organs inner ear
output from CN 8 tract
vestibular nuclei of medulla
function of medial longitudinal fasciculus (vestibulospinal tract)
balance and posture
input to medial longitudinal fasciculus
vestibulospinal tract
brainstem, ipsi. medial vestibular nucleus
output from medial longitudinal fasciculus
vestibulospinal tract
motor neurons
function of tectospinal
reflex postural movement
input to tectospinal
tectum (superior colliculus)
output from tectospinal
contra. motor neurons in spinal cord
