Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Neurosciences > Diencephalon > Flashcards

Diencephalon Flashcards

1
Q

where is the diencephalon situated between

A

telencephalon and brainstem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

the diencephalon has a reciprocal relationship with the

A

cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

the left and right sides of the dienephalon is divided by

A

the 3rd ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how far can information be relayed downwards from the diencephalon

A

spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

largest subdivision of the diencephalon

A

thalamus/dorsal thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

mediates conscious sensation and limbic/cognitive functions of the limb

A

thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

has functions related to appropriate behavior and learning memory

A

thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

connections of the hypothalamus anteriorly and inferiorly

A

A: forebrain
I: brainstem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

automatically regulates body functions without knowledge (visceromotor, autonomic functions)

A

hypothalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

smallest subdivision

A

ventral thalamus and epithalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

linked to the basal nuclei of the forebrain; functions in the motor sphere

A

subthalamic nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

a lesion in the ventral thalamus causes

A

contralateral emergence of involuntary movements (hemiballisimus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

functionally related to the limbic system; develops from the roof plate

A

epithalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

shallow groove that appears in the wall of the 3rd ventricle (anteroposterior)

A

hypothalamic sulcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

divides the alar plate into a future dorsal thalamus above and a future hypothalamus below

A

interventricular foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

arises anterior to the habenular region from the roof plate epithelium and adjacent pia mater

A

choroid plexus of the 3rd ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what lies between the hypothalamus and thalamic structures

A

choroid plexus of the 3rd ventricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

foramen that makes the choroid plexus continuous with the paired lateral ventricles

A

interventricular foramen (foramen of Monro)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is formed with the fusion of the dorsal thalamus and the space of the 3rd ventricle

A

massa intermedia or interthalamic adhesion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

releases metabolites and neuropeptides into the CSF or cerebrovascular system; has no blood brain barrier

A

circumventricular organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

CO located near the fornix

A

subfornicular organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

CO vascular organ of the lamina terminalis

A

organum vasculosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

CO beneath the posterior commissure

A

subcommisural organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

CO that is part of the epithalamus

A

pineal gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
develops from caudal portion of the roof plate epithelium
epithalamus
26
at what week of development is there small thickening of the roof plate to form the epiphysis
7th week
27
what is formed at the 7th week of development
pineal gland
28
small thickening in which the habenular nuclei will develop
habenula
29
outpouching that comes from the primitive oral cavity or stomodeum
rathke's pouch
30
a tumor on rathke's pouch causing abnormal development of the pituitary gland
craniopharyngioma
31
the pituiitary gland is formed by these two structures
rathke's pouch and infundibulum
32
anterior lobe of the pituitary gland
adenohypophysis
33
intermediate lobe of the pituitary gland
pars intermedia
34
the infundibulum will differentiate into ___; also called posterior lobe of the pituitary gland
neurohypophysis
35
in what cut is the third ventricle observed mostly on neural imaging
axial cut
36
the frontal horns of the lateral ventricles are connected to the 3rd ventricle via
left and right interventricular foramina
37
located superior to the hypothalamic sulcus and beneath the splenium of the corpus callosum
dorsal thalamus
38
what portion of the thalamus lies beneath the splenium
posterior
39
what lies inferior and beneath the hypothalamic sulcus
hypothalamus
40
borders of the hypothalamus (r and c)
R: lamina terminalis C: imaginary line intersecting the hpothalamic sulucs
41
can only be seen in a coronal section
ventral thalamus
42
structures surrounding the ventral thalamus
R: diencephalic-midbrain junction C: hypothalamus L: midline; zona incerta M: Field of Forel; pre-rubral
43
separates zona incerta from subthalamic nucleus
lenticular fasciculus
44
nucleus with motor function and extensive connections to the basal ganglia
subthalamic nucleus
45
an afferent bundle coming from inferior sections of the brain particularly the limbic and basal ganglia
stria medullaris thalami
46
pathway of ascending input from thalamus to various cortical areas or gyri
thalamocortical fibers
47
functional gateway of the cerebral cortex; receives reciprocal projection from the cortical region
corticothalamic fibers
48
medial border of the thalamus
3rd ventricle
49
pathway connecting the mamillary nucleus of the hypothalamus and anterior nucleus of the thalamus
mamillothalamic tract
50
synaptic station composed of varying structures that regulate and generate emotions and memory acquisitions
papez circuit
51
included structures in the papez circuit
hippocampus; mamillary bodies; anterior thalamic nuclei; cingulate gyrus
52
brain structure that is important for processing memory
hippocampus
53
part of the limbic system that is a projection of the anterior nucleus through the anterior limb of the internal capsule
cingulum
54
2 parts of the medial thalamic nuclei link to the frontal and temporal bones and the amygdala complex
large parvocellular (C) and large magnocellular (R)
55
functions of the large parvocellular (C) and large magnocellular (R)
behavior and cognition
56
part of the medial thalamic nuclei playing a role in eye movement
small paralaminar
57
the small paralaminar part of the MTN receives input from (2)
substantia nigra and frontal lobe
58
part of the lateral thalamic nuclei involved in visual processing
pulvinar nuclei
59
function of the ventral anterior
initiation and planning of movement
60
the input of the large parvocellular portion of the ventral anterior
medial segment of globus pallidus
61
the input of the small magnocellular portion of the ventral anterior
reticular portion of substantia nigra
62
common output of the ventral anterior parts of the LTN providing initiation and planning of movement
frontal lobe
63
function of the ventral lateral
coordination and modulation of motor movement
64
largest part of the ventral lateral
pars oralis
65
input of pars oralis
ipsilateral segment of globus pallidus
66
input of pars caudalis
contralateral cerebellar nuclei

Neurosciences (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions