Diencephalon Flashcards

1
Q

How many pairs of nuclei are in the thalamus?

A

26

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2
Q

Why is it called diencephalon?

A

it refers to two components or complimentary patterns of the brain

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3
Q

functions of thalamus (4)

A

switching station for all sensory inputs (except olfactory), modulates motor output, role in consciousness, visual/spatial processing system

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4
Q

The thalamus is the gateway to the cortex for what?

A

sensory information

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5
Q

function of the hypothalamus

A

regulates ANS, body temperature, hunger, sleep-wake cycle

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6
Q

What works closely with the hypothalamus in endocrine functions?

A

pituitary gland

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7
Q

What works closely with the hypothalamus in the expression of emotion?

A

the limbic system

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8
Q

habenula

A

principle structure of the epithalamus

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9
Q

function of the subthalamus

A

provides feedback and feedforward circuits of the thalamus and basal ganglia

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10
Q

pituitary gland

A

master gland of endocrine system

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11
Q

function of pituitary gland

A

regulates growth, reproductive activities, metabolic processes

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12
Q

function of pineal gland

A

role in sexual and hormonal functions, sleep-wake cycle

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13
Q

posterior commissure

A

connects right and left diencephalon

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14
Q

anterior commissure

A

connects olfactory bulb to amygdala

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15
Q

interthalamic adhesion

A

allows for communication between two thalamic lobes

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16
Q

septum pellucidum

A

sheath-like covering that extends over medial wall of lateral ventricles

17
Q

What migrates peptides from the hypothalamus to the pituitary gland?

A

hypothalamohypopophyseal tract

18
Q

What is the hypothalamus/pituitary problem where one dumps out too much fluid?

A

diabetes insipidus

19
Q

What is the hypothalamus/pituitary problem where one retains too much fluid?

A

syndrome of inappropriate antidiuretic hormone secretion (SIADH)