S2 Neuro Exam 3: Diencephalon 1

Front 1

The diencephalon is derived from the ___________

Back 1

prosencephalon

Front 2

The _____________ divides the diencephalon to form the dorsal thalamus (alar &roof plates) and basal plate derived hypothalamus.

Back 2

sulcus limitans


(^derivative of hypothalamic sulcus)

Front 3

caudal roof plate of the thalamus develops the

Back 3

epiphysis

Front 4

epiphysis forms the

Back 4

pineal gland

Front 5

what makes up the epithamlamus

Back 5

pineal gland
haenular nuclei
stria medullaris

Front 6

choroid plexus develops from the _____ along with other specialized ependymal areas, cirnumventricular organs

Back 6

roof plate

Front 7

subthalamic nucleus and zona incerta develop in the posterior diencephalon and are the ?

Back 7

subthalamus

Front 8

What else develops from the diencephalon?

Back 8

The neurohypophysis or posterior lobe of the pituitary and the infundibulum

Front 9

what are the divisions of the adult diencephalon

Back 9

dorsal thalamus (thalamus)
hypothalamus
epithalamus
subthalamus

Front 10

the 2 lobes of the thalamus are separated by the

Back 10

3rd ventricle

Front 11

all sensory information which reaches cerebral cortex except_____ will be processed through the thalamus

Back 11

olfaction

Front 12

the white matter covering the dorsal thalamus

Back 12

statum zonale (red)

Front 13

covers the lateral thalamus under the reticular nucleus

Back 13

external medullary lamina (green)

Front 14

The _________________________ divides the thalamus into primary anterior, medial, lateral and intralaminar groups.

Back 14

internal medullary lamina (purple)

(These primary groups are further divided into dorsal ventral and posterior areas)

Front 15

anterior nuclear group borders the

Back 15

(ant group= green)

lateral ventricle and at the front of the thalamus

Front 16

what is part of the dorsal tier of the lateral groups

Back 16

lateral dorsal (green)
lateral posterior (red)
pulvinar (purple)

Front 17

what is part of the ventral tier of the lateral groups

Back 17

ventral anterior (purple)
ventral lateral (green)
ventral posterior (red)

Front 18

what nuclei are part of the medial group

Back 18

dorsomedial nucleus (upper) and a smaller ventromedial nucleus (lower)

Front 19

intralaminar nuclei include

Back 19

centromendian (red) and parafascicular (green) nuclei
(surrounded by the internal medullary lamina)

Front 20

metathalamus includes the

Back 20

medial (yellow) and lateral (red) genculate bodies

Front 21

medial geniculate is part of the ______ system

Back 21

auditory

Front 22

The __________ is a thin sheet of neurons beyond the external medullary lamina adjacent to the internal capsule.

Back 22

reticular nucleus

Front 23

lateral geniculate is part of the ______ system

Back 23

visual

Front 24

what primary nucleus of the subthalmus is part of basal ganglia connections and involved in large motor movements?

Back 24

subthalmic nucleus (red)

Front 25

The other primary subthalmic nuclei, the zona incerta (green) is an extension of the

Back 25

reticular formation

Front 26

subthalamus area contains basal ganglia projections in the

Back 26

prerubral fields of Forel (red)

Front 27

Epithalamus contains the

Back 27

pineal gland, habenular nuclei and the stria medullaris thalami

Front 28

Pineal Gland is associated with

Back 28

circadian rhythms

*AND recieves indirect light info

Front 29

Pinealocytes synthesize

Back 29

melatonin

(melatonin varies w/ circadian rhythms)

Front 30

habencular nuclei receive basal ganglia information through the

Where do they project to?

Back 30

stria medullaris


interpedunclear nucleus of the midbrain

Front 31

What do the habenular nuclei modulate?

Back 31

appear to modulate emotional related facial expressions (mimetic expression) among other possible functions.

Front 32

what is the arteriole supply to the hypothalamus and subthalamus

Back 32

circle of willis with perforating branches

Front 33

Most of the thalamus gets its arterole supply from

Back 33

posterior cerebral arteries

Front 34

Which areas of the thalamus do the thalamoperforating and thalamogeniculate branches of the posterior cerebral arteries supply?

Back 34

thalamoperforating- supplies the dorsomedial thalamus

thalamogeniculate- supplies the ventrolateral thalamus