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ZNeurology > Nuclei/Areas of the Hypothalamus > Flashcards

Nuclei/Areas of the Hypothalamus Flashcards

1
Q

Considered the “master clock” for most of our circadian rhythms

A

Suprichiasmatic nucleus

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2
Q

Regulates the parasympathetic nervous system

A

anterior nucleus and preoptic nucleus

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3
Q

Destruction results in hyperthermia

A

Anterior nucleus

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4
Q

Regulates the sympathetic nervous system

A

Posterior nucleus and lateral nucleus

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5
Q

Produces ADH to regulate water balance

A

supraoptic nucleus

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6
Q

Receives input from the retina

A

Suprachiasmatic nucleus

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7
Q

Savage behavior and obesity result from STIMULATION

A

Dorsomedial nucleus

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8
Q

Savage behavior and obesity result from DESTRUCTION

A

Ventromedial nucleus

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9
Q

Stimulation leads to eating and destruction leads to starvation

A

Lateral area

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10
Q

Regulates the release of gonadotropic hormones (LH, FSH)

A

Preoptic nucleus

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11
Q

Responsible for sweating and cutaneous vasodilation in hot temperature

A

Anteroir nucleus

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12
Q

Responsible for shivering and decreased cutaneous blood flow in the cold

A

Posteroir nucleus

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13
Q

Destruction results in neurogenic diabetes insipidus

A

Supraoptic nucleus

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14
Q

Destruction results in inability to stay warm

A

Posterior nucleus

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15
Q

Releases hormones affecting the anterior pituitary

A

Arcuate nucleus

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16
Q

Area stimulated by leptin

A

Ventromedial area

17
Q

Area inhibited by leptin

A

Lateral area

18
Q

Stimulates the GI

A

Dorsomedial nucleus

19
Q

Releases dopamine and GHRH, and regulates hunger and satienty

A

Arcuate nucleus

20
Q

Receives input from hippocampus

A

Mammillary Bodies

21
Q

Produces oxytocin

A

Paraventricular nucleus

22
Q

Inputs of the hypothalamus

A

Organum vasculosum of the lamina terminalis (senses changes in osmolarity), and the area postrema (responds to emetics)

ZNeurology (8 decks)

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