Midbrain and Diencephalon

Question 1

what are the divisons of the forebrain?

Answer 1

telecephalon
diecephalon

Question 2

divisions of hindbrain

Answer 2

metencephalon and myelencephalon

Question 3

what does the metencephalon consist of?

Answer 3

pons and cerebellum

Question 4

what does the myelencephalon consist of?

Answer 4

medulla oblongata

Question 5

midbrain functions

Answer 5

motor functioning of the eye
auditory and visual processing

Question 6

how does the midbrain differ from the forebrain and hindbrain during development?

Answer 6

the midbrain does not split

Question 7

what structure does the midbrain form?

Answer 7

cerebral aqueduct

Question 8

what are the midbrain landmarks?

Answer 8

cerebral aqueduct
periaqueductal grey
red nucleus
substantia nigra

Question 9

what do the colliculi, red nucleus and substantia nigra develop from?

Answer 9

alar plates

Question 10

the basal plates develop into what structure?

Answer 10

ocular nuclei

Question 11

edinger westphal nucleus

Answer 11

parasympathetic motor nucleus

Question 12

structures within the midbrain

Answer 12

cerebral aqueduct
PAG
red nucleus
substantia nigra

Question 13

alar plates develop into which structures

Answer 13

red nucleus
substantia nigra
superior and inferior colliculi

Question 14

the basal plate develops into the oculomotor nerve:

Answer 14

occular nuclei
edinger westphal nucleus

Question 15

Edinger–Westphal nucleus

Answer 15

parasympathetic nucleus

Question 16

ewn fibres innervate with postganglion

Answer 16

ciliary ganglion

Question 17

ewn and ciliary ganglion involved with which reflex

Answer 17

pupil constriction

Question 18

tectum contains nuclei of

Answer 18

superior and inferior colliculi.

Question 19

basis pedunculi

Answer 19

crus cerebri
substantia nigra

Question 20

mamillary bodies location

Answer 20

ventral surface of midbrain

Question 21

superior colliculi receive input from which areas?

Answer 21

visual cortex
retina

Question 22

inferior colliculi sends which inputs to superior colliculi?

Answer 22

auditory

Question 23

superior colliuli role

Answer 23

integrates visual, auditory and somatosensory information to initiate eye movement towards stimulus

Question 24

superior colliuli role

Answer 24

integrates visual, auditory and somatosensory information to initiate eye movement towards stimulus

Question 25

superior colliculi mediates auditory and visual reflex towards stimulus via the

Answer 25

tectospinal tract

Question 26

tectospinal pathway

Answer 26

midbrain
pons
medulla
cervical cord

Question 27

inferior colliu pathways:

Answer 27

receives input from hidbrain
sends input to superior colliculi and thalamus

Question 28

tinnutus is caused by

Answer 28

too much excitation within right inferior colliculi

Question 29

tegmentum

Answer 29

medial

Question 30

red nucleus

Answer 30

motor nucleus

Question 31

PAG function

Answer 31

pain suppression

Question 32

motor coordination involves

Answer 32

red nucleus sending inputs to cerbellum
sending inputs via rubrospinal tract to spinal cord