Brainstem and Cranial Nerve Nuclei

Question 1

fasciculus gracilis

Answer 1

fine touch and vibratory from below T7

DCML

Question 2

nucleus gracilis

Answer 2

fine touch and vibratory from below T7

DCML

Question 3

fasciculus cuneatus

Answer 3

fine touch and vibratory above T7

DCML

Question 4

nucleus cuneatus

Answer 4

fine touch and vibratory above T7

DCML

Question 5

pyramid

Answer 5

fibers going to contralateral side

Question 6

pyramidal decussation

Answer 6

corticospinal fibers crossing the midline

Question 7

spinal trigeminal nucleus

Answer 7

pain and temp from ipsilateral face

Question 8

spinal trigeminal nucleus is equibalent to the

Answer 8

substantia gelatinous of spinal cord

Question 9

spinal trigeminal tract

Answer 9

pain and temp from ipsilateral side of face

Question 10

spinal trigeminal tract is equivalent to

Answer 10

lissauer’s tract

Question 11

ALS

Answer 11

pain and temp from contralateral side of body

Question 12

medial lemniscus

Answer 12

fine touch and sensory from contralateral body

rotates up rostrally

Question 13

medial lemniscus homunculus in medulla

Answer 13

feet inferior

arms superior

Question 14

medial longitudinal fasciculus

Answer 14

head and eye movements

Question 15

inferior olivary nucleus

Answer 15

diverse afferents to the spinal cord, red nucleus, deep cerebellar nuclei
efferents cross midline via internal arcuate fibers

Question 16

inferior cerebellar peduncle aka

Answer 16

restiform body

Question 17

inferior cerebellar peduncle

Answer 17

major input route for cerebellum

gets larger rostrally

Question 18

lateral cuneate nucleus

Answer 18

proprioceptive primary afferents

Question 19

pontine fibers

Answer 19

go across and separate the corticospinal tract and the medial lemniscus

Question 20

central tegmentum tract

Answer 20

afferents and efferents of reticular formation

projection of red nucleus to ipsilateral inferior olivary nucleus

Question 21

middle cerebellar peduncle aka

Answer 21

brachium pontis

Question 22

middle cerebellar peduncle

Answer 22

largest peduncle
fibers from contralateral pontine nuclei that end in cerebellar cortex
(formed by pontine fibers)

Question 23

superior cerebellar peduncle aka

Answer 23

brachium conjunctivum

Question 24

superior cerebellar peduncle

Answer 24

major efferent route of cerebellum to control lateral red nucleus and thalamus
also goes to contralateral inferior olivary nucleus

Question 25

periaqueductal gray

Answer 25

descending pain control to nucleus raphe magnus

Question 26

inferior colliculus

Answer 26

link to auditory system via brachium of inferior colliculus to the medial geniculate nucleus

Question 27

superior colliculus

Answer 27

visual attention and control of eye movements

Question 28

substantia nigra

Answer 28

dopaminergic neurons

between the red nucleus and cerebral peduncle

Question 29

3 sections of the reticular formation

Answer 29

lateral
medial
raphe nuclei

Question 30

lateral zone of reticular formation

Answer 30

cranial nerve reflexes and visceral functions

Question 31

medial zone of reticular formation

Answer 31

where most long ascending and descending projections come from

Question 32

raphe nuclei of reticular formation

Answer 32

source of ascending and descending serotonergic projections