Lec 3 - Brain Stem

Question 1

Metencephalon, myencephalon, mesencephalon are all part of the blank

Answer 1

rhombencephalon

Question 2

end of medulla, beginning of spinal cord

Answer 2

pyramidal decussation

Question 3

this is the roof posterior to the ventricular space

Answer 3

tectum

Question 4

this is the covering anterior to ventricular space

Answer 4

tegmentum

Question 5

the apex of the v shaped caudal end of the 4th ventricle that narrows into the central canal of the spinal cord

Answer 5

obex

Question 6

caudal medulla is blank

Answer 6

closed

Question 7

rostral medulla is blank

Answer 7

open

Question 8

this separates 2 pyramids of medulla

Answer 8

anterior median fissure

Question 9

these CN come out at anterolateral sulcus of pons/medulla

Answer 9

6, 12

Question 10

lateral groove posterior to olive of medulla has these CN

Answer 10

11, 10, 9, 8,7

Question 11

good slide where cn leave

Answer 11

ok

Question 12

massive bundles of descending corticopontine (to BP) and corticospinal (to Pyramids) fibers.

Answer 12

cerebral peduncles

Question 13

CN emerging from interpeduncular fossa

Answer 13

3

Question 14

know auditory pathway

Answer 14

ok

Question 15

know visual pathway

Answer 15

ok

Question 16

cn 3 has somatic part and parasympathetic part and uses this nucleus

Answer 16

edinger westphal nucleus

Question 17

this has a lot of convergence and divergence of pathways and is the central core of the brainstem tegmentum

Answer 17

reticular formation