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USMLE Neurology > Hypothalamic nuclei > Flashcards

Hypothalamic nuclei Flashcards

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USMLE® Step 1 flashcards
1
Q

Lateral nucleus

A

Hunger
Inhibited by leptin
Damage causes anorexia and weight loss

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2
Q

Ventromedial nucleus

A

Satiety
Stimulated by leptin
Damage causes obesity (and savage behavior)

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3
Q

Arcuate nucleus

A

Pulsatile secretion of GnRH
Dopamine
GHRH
Regulates appetite

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4
Q

Dorsomedial nucleus

A

Hunger

Damages causes obesity and savage behavior

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5
Q

Anterior nucleus

A 
Cooling off (thermoregulation)
Damages causes hyperthemia
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6
Q

Suprachiasmatic nucleus

A

Regualates circadian rhythms

“master clock”

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7
Q

Preoptic area

A

GnRH

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8
Q

Supraoptic nucleus

A

ADH (aka vasopressin)

Damages causes central DI

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9
Q

Paraventricular nucleus

A

Oxytocin
CRH
TRH

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10
Q

Posterior nucleus

A

Warming (thermoregulation)

Damage causes hypothermia/inability to keep warm

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11
Q

Mammilary bodies

A

Memory

Damage causes Wernike-Korsakoff syndrome

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USMLE Neurology (4 decks)

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