Brainstem - Pons

Question 1

pons external anatomy and function

Answer 1

CN5 emerges

sleep, respiration, swallowing, bladder control, etc.

Question 2

deep pontine nuclei

Answer 2

basilar pons

project to contralateral cerebellar hemispheres via middle cerebellar peduncle
convey info from motor cortex to the cerebellum regarding intended movements of contralateral limbs

Question 3

trigeminal nuclei (trigeminal nuclear complex)

Answer 3

pontine tegmentum

Question 4

vestibular nuclei

Answer 4

pontine tegmentum (also rostral medulla)

Question 5

superior and middle cerebellar peduncles

Answer 5

pontine tegmentum

superior: afferent & efferent fibers btw cerebellum & midbrain
middle: afferent, btw cerebellum & pons

Question 6

inferior cerebellar peduncles

Answer 6

caudal pontine tegmentum

afferent & efferent fibers btw cerebellum & medulla

Question 7

abducens nuclei

Answer 7

caudal pontine tegmentum

Question 8

facial nuclei

Answer 8

caudal pontine tegmentum

Question 9

deep cerebellar nuclei

Answer 9

caudal pontine tegmentum

primary output target for all info coming out of cerebellum

Question 10

superior olivary complex/nuclei

Answer 10

caudal pontine tegmentum

contribute to both ascending & descending input for auditory function

Question 11

trapezoid body

Answer 11

caudal pontine tegmentum

ascending auditory pathway fibers carrying info from cochlea that decussate before traveling to superior olivary nuclei - helps with localization of sound

Question 12

locus ceruleus

Answer 12

rostral pontine tegmentum

norepinephrine production

Question 13

raphe nuclei

Answer 13

rostral pontine tegmentum (caudal midbrain)

serotonin production