anatomy thalamus

Question 1

pineal gland function

Answer 1

synthesises melatonin

controls sleep/wake cycle and onset puberty

Question 2

Epithalamus
contains
functions

Answer 2

habenular nucleus and commissure

autonomic function and emotional drives

Question 3

what is Tuber cinerium

Answer 3

hollow eminence between optic chaism and hypothalamus

Question 4

Mammillary bodies

function

Answer 4

relay between amygdala and thalamus

Question 5

what is the thalamus mostly made up of

Answer 5

grey matter

divided up into partitions of nuclei – anterior, medial and lateral

these are seperated by internal and external
medullary lamina

Question 6

External medullary lamina
located
contains

Answer 6

laterally, separates reticular nucleus from the rest of the thalamus

✓ thalamocortical
✓ corticothalamic fibers

Question 7

Internal medullary lamina
what does it do
contains

Answer 7

divides thalamus into anterior , medial and lateral nuclei groups

✓ Fibers connecting thalamic nuclei with one another
✓ Neuronal collections called intralaminar nuclei

Question 8

Thalamus functions

Answer 8

all nuclei in thalamus except for reticular nucleus (ventral thalamus),
project to ipsilateral cerebral cortex

Much of the cerebral cortex receives input from the thalamus

Question 9

BLOOD SUPPLY OF THE THALAMUS
Posterior communicating artery gives rise to
posterior cerebral artery gives rise to

Answer 9

anterior thalamoperforating arteries.

posterior choroidal arteries and posterior thalamoperforating arteries.