Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy Final Exam Semester 2 > Forebrain and limbic system > Flashcards

Forebrain and limbic system Flashcards

1
Q

What structures make up the diencephalon?

A
  • thalamus
  • hypothalamus
  • epithalamus
  • substhalamus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which structures make up the limbic system?

A
  • hippocampus
  • hypothalamus
  • amygdala
  • limbic lobe
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The ___ which is part of the epithalamus secretes melatonin during darkness to help regulate the sleep-wake cycle.

A

pineal gland

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

Name the structures that border the thalamus.

A
  • Superior: Lateral ventricle
  • Medial: 3rd ventricle
  • lateral: IC, GP, Putamen
  • Inferior: Hypothalamus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The “gateway to the cortex” is the ___.

A

Thalamus

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

All pathways that relay in the thalamus are ___ other than the ___.

A
  • sensory

- olfaction pathway

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

The pathways of the thalamus travel to the ___, ___, and ___.

A

cerebellum, basal ganglia, and limbic system

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

Subdivisions of the thalamic nuclei are defined by the ___.

A

Internal medullary lamina

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

The ___ division of the thalamus is the largest when viewed from a horizontal cross section

A

lateral

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

All thalamic nuclei (except the reticular) are based on the same general theme. All consist of ___ which provide output from the thalamus, and ____ which are small and inhibitory.

A
  • projection neurons

- interneurons

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

Specific thalamic nuclei

A
  • convey info a thalamic nucleus passes on nearly directly to the cortex w/o modification
    Ex) medial lemniscus to VPL or optic tract to LGN
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Regulatory thalamic nuclei

A
  • nucleus contributes to the info it receives before it is passed on to the cortex
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Association thalamic nuclei

A
  • receive specific inputs from association cortex (prefrontal) and projects back
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Intralaminar and midline nuclei

A
  • receive distinct sets of specific inputs (from the basal ganglia and limbic structures) and projects to the cortex, basal ganglia and limbic structures
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The ___ is an important source of regulatory input to the thalamus, and unlike all other nuclei, it does not project to the cortex.

A

Reticular Nucleus

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

What are the inputs and outputs of the reticular nucleus?

A

Input: cortex and thalamus
Output: inhibitory axons to thalamus

17
Q

The ___ is a sheet of neurons which cover the thalamus. Its axons must traverse the nucleus to enter/leave thalamus and send collaterals to it.

A

Reticular nucleus

18
Q

Which thalamic nuclei are sensory relay nuclei?

A

VPL and VPM

19
Q

Which thalamic relay nuclei are motor nuclei?

A

VA (premotor) and VL (primary motor)

20
Q

Which thalamic relay nuclei are limbic in function?

A

Anterior (most of limbic lobe) and LD (Posterior limbic lobe)

21
Q

Where does the lateral geniculate travel to?

A

Visual cortex in occipital lobe

22
Q

The ___ and ___ are the main association nuclei

A

DM and pulvinar

23
Q

The ___ receives the DM and its used for foresight.

A

Prefrontal

24
Q

The ___ lobes receive the pulvinar-LP complex

A

parietal-occiptal-temporal

- function is largely unknown. may be involved in visual perceptions or attention

25
Q

___ and ___ fibers pass through the internal capsule

A

Thalamocortical and corticothalamic

26
Q

Almost all fibers going to and from the cortex pass through the ___

A

Internal capsule

27
Q

The internal capsule collects and forms the ___, down which corticopontine, corticobulbar, and corticospinal fibers descend.

A

cerebral peduncle

28
Q

The ___ limb of the IC travels from the lenticular nucleus to to caudate.

A

anterior limb

29
Q

The posterior limb travels from the ___ to the thalamus

A

lenticular nucleus

30
Q

The ___ nucleus is found between the A and P limbs of the IC.

A

genu

31
Q

The ___ nucleus is found behind the lenticular nucleus

A

retrolenticular

32
Q

The ___ part of the IC is below the lenticular nucleus

A

sublenticular

33
Q

The anterior nucleus of the thalamus travels to the ___

A

cingulate gyrus (anterior limb of IC)

34
Q

The DM nucleus of the thalamus travels to the ___

A

prefrontal cortex (anterior limb of IC)

35
Q

The VA/VL travel to ___ which then travel to ___ and ___.

A

motor areas => brainstem and spinal cord (posterior limb of IC)

36
Q

The VPL/VPM travel to the ___

A

somatosensory corex (posterior limb of IC)

37
Q

The MGN travels to the ___

A

auditory cortex (retrolenticular limb of IC)

38
Q

The pulvinar/LP travel to ___

A

parietal-occipital-temporal cortex (retrolenticular limb of IC)

39
Q

The LGN travels to the ___

A

visual cortex (sublenticular limb)

Anatomy Final Exam Semester 2 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions