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STEP CNS > Hypothalamus > Flashcards

Hypothalamus Flashcards

1
Q

Supraoptic nucleus

A

Makes ADH, if damaged get neurogenic diabetes insipidus

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2
Q

Paraventricular nucleus

A

Makes oxytocin

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3
Q

Lateral area

A

Hunger. If desroyed can get anorexia/FTT. Inhibited by leptin

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4
Q

Ventromedial area

A

Satiety. DESTRUCTION (e.g. craniopharyngioma) leads to hyperphagia/savage behavior. Stimulated by leptin.

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5
Q

Anterior hypothalamus

A

Cooling, parasympathetic. If destroyed hyperthermia

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6
Q

Posterior hypothalamus

A

Heating, sympathetic. If destroyed poikilotherm (cold-blooded)

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7
Q

Suprachiasmatic nucleus

A

Master clock/controls circadian rhythm. Receives input from retina

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8
Q

Preoptic area

A

Releases GnRH

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9
Q

Dorsomedial nucleus

A

Controls GI. See savage behavior/obesity when STIMULATED

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10
Q

Mamillary body

A

receives input from hippocampus and lesioned in Wernicke

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11
Q

Arcuate nucleus

A

Releases hormones affecting ant pit - DA, GHRH, some hunger/satiety effects too

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STEP CNS (20 decks)

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