Middle Pons (pg. 98)

Question 1

function of principal motor nucleus of V

Answer 1

control muscles of chewing

Question 2

input to principal motor nucleus of V

Answer 2

ipsi. descending motor tracts

Question 3

output from principal motor nucleus of V

Answer 3

ipsi. jaw muscles

Question 4

function of principal sensory nucleus of V

Answer 4

tactile and proprioception from face

Question 5

input to principal sensory nucleus of V

Answer 5

peripheral receptors for touch and proprioception

Question 6

output from principal sensory nucleus of V

Answer 6

VPM of thalamus

Question 7

function of mesencephalic nucleus of V

Answer 7

proprioception info from jaw muscles

Question 8

input to mesencephalic nucleus of V

Answer 8

proprioceptors in jaw muscles

Question 9

output from mesencephalic nucleus of V

Answer 9

jaw muscles for a reflex arc and cerebellum

Question 10

function of trigeminothalamic tract

Answer 10

somatosensory (head), tactile and proprioception

Question 11

input to trigeminothalamic tract

Answer 11

principle sensory nucleus of trigeminal

Question 12

output from trigeminothalamic tract

Answer 12

VPM of thalamus

Question 13

function of medial longitudinal fasciculus

Answer 13

eye movements, balance

Question 14

input to medial longitudinal fasciculus

Answer 14

abducens and brainstem, ipsi. medial vestibular nucleus

Question 15

output from medial longitudinal fasciculus

Answer 15

oculomotor, spinal cord, motor neurons

Question 16

function of lateral lemniscus

Answer 16

hearing

Question 17

input to lateral lemniscus

Answer 17

cochlear nucleus (contra.) and superior olivary nucleus (ipsi.)

Question 18

output from lateral lemniscus

Answer 18

inferior colliculus