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Block 5 module 2 > Thalamus > Flashcards

Thalamus Flashcards

1
Q

part of diencephalon that is directly above the midbrain

A

subthalamus

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2
Q

part of the diencephalon that lies in front of subthalamus

A

Hypothalamus

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3
Q

formed by medial and lateral geniculate bodies

A

metathalamus

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4
Q

formed by the pineal body, habenular nuclei, commisures

A

epithalamus

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5
Q

the thalamus is the main sensory relay station from all sensory systems
to the cerebral cortex except the

A

olfactory system

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6
Q

the thalamus projects primarily to the ______and less to the ______ and _____

A

cerebral cortex; basal ganglia and hypothalamus

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7
Q

subdivisions of thalamus

A

epithalamus
dorsal thalamus
ventral thalamus

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8
Q

the epithalamus is composed principally of the ______ and ______

A

pineal gland and habenular nuclei

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9
Q

does the epithalamus send fibers from the cerebral cortex

A

it neither sends nor receives

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10
Q

currently referred to as thalamus

A

dorsal thalamus

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11
Q

dorsal thalamus has massive and reciprocal connections with the _____ and _____

A

cerebral cortex and striatum

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12
Q

the ventral thalamus includes the

A

reticular nucleus
ventral lateral geniculate nucleus
zona incerta
nucleus of fields of Forel

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13
Q

the anterior nuclear group lies between the

A

limbs

of the Y (internal medullary lamina)

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14
Q

The anterior nucleus receives input from the ______ via the ______

A

mamilllary body via the mamillothalamic tract

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15
Q

the anterior nucleus receives hippocampal input via the

A

fornix

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16
Q

this lies on the medial side of the stem of the Y

A

medial nuclear group

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17
Q

The dorsomedial nucleus receives input from the

A

amygdala, hypothalamus and olfactory cortex

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18
Q

the dorsomedial nucleus plays a role in the expression of

A

affect, emotion and behavior (limbic function)

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19
Q

when this part is destroyed it causes memory loss

A

dorsomedial nucleus

20
Q

what lies on the medial side of the Y

A

lateral nuclear group

21
Q

the lateral nuclear group lies on the

A

medial side of the Y

22
Q

Posterior extension of the anterior nuclear

complex

A

Lateral dorsal nucleus

23
Q

the lateral dorsal nucleus projects to the

A

cingulate gyrus

24
Q

the lateral posterior nucleus is located between the

A

lateral dorsal nucleus and the pulvinar

25
Q

largest thalamic nucleus

A

pulvinar

26
Q

the pulvinar is concerned with the

A

integration of visual, auditory and somesthetic input

27
Q

lesions of the dominant side of the pulvinar may result in

A

sensory aphasia

28
Q

the ventral anterior nucleus receives input from the

A

globus pallidus and substantia nigra

29
Q

the ventral anterior nucleus projects to the

A

premotor cortex

30
Q

The ventral lateral nucleus receives input from the

A

globus pallidus

substantia nigra and cerebellum

31
Q

nucleus of termination of general somatic afferent and special visceral afferent

A

ventral posterior nucleus

32
Q

the ventral posteromedial nucleus receives the __________ tracts

A

trigeminothalamic

33
Q

The ventroposteromedial nucleus recieves the taste pathway via the

A

solitary nucleus and the parabrachial nucleus

34
Q

lesion in VPmN results in contralateral ____

A

loss of pain and temp sensations, loss of tactile
discrimination in the head; results in
ipsilateral loss of taste

35
Q

the ventroposterolateral nucleus receives the ________tracts and the ____

A

spinothalamic and medial lemniscus

36
Q

visual relay nucleus

A

lateral geniculate body

37
Q

auditory relay nucleus

A

medial geniculate body

38
Q

the medial geniculate body receives auditory input via the ______

A

brachium of the inferior colliculus

39
Q

nuclei cells sandwiched between external medullary lamina and posterior limb of internal capusle

A

reticular nuclei

40
Q

the reticular nuclei is sandwiched between

A

external medullary lamina and posterior limb of internal capsule

41
Q

group of nerve cells adjacent to 3rd

ventricle and in interthalamic connection

A

midline nuclei

42
Q

beneath internal medullary lamina

A

intralaminar nuclei

43
Q

choroid veins of 3rd ventricle unite to form internal cerebral vein

A

thalamostaite vein

44
Q

vascular lesion caused by thrombosis of thalamogeniculate artery

A

thalamic syndrome

45
Q

anterior circulation of the blood supply for the thalamus

A

posterior communicating and posterior cerebral artery

46
Q

posterior circulation of the blood supply for the thalamus

A

posterochoroidal artery and lenticulo thalamic branch of middle cerebral artery

Block 5 module 2 (5 decks)

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