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Neuro Test 3 > DSA hypothalamic, thalamus, and limbic system > Flashcards

DSA hypothalamic, thalamus, and limbic system Flashcards

1
Q

hypothalamus role

A

homeostasis

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2
Q

preoptic area of hypothalamus

A

medial and lateral preoptic nuclei

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3
Q

medial preoptic nucleus

A

GnRH

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4
Q

periventricular zone

A

releasing hormones

-hypophyseal portal to a pit

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5
Q

medial zone

A
  • supraoptic region
  • tuberal region
  • mammillary region
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6
Q

lateral zone

A

-medial forebrain bundle

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7
Q

lateral hypothalamic nucleus

A

feeding center

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8
Q

tuberal nuclei

A

form tuberoinfundibular tract

  • ventromedial
  • dorsomedial
  • arcuate
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9
Q

supraoptic/paraventricular nucleus

A

oxytocin and ADH to PP

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10
Q

suprachiasmatic nucleus

A

input from retina; circadian rhythm

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11
Q

anterior nucleus

A

visceral/somatic functions and temp regulation

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12
Q

ventromedial nucleus

A

“satiety center”

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13
Q

dorsomedial nucleus

A

emotional behavior

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14
Q

arcuate nucleus

A

releasing hormones

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15
Q

mammillary region

A

medial mammillary nucleus

intermediate and lateral mammillary nucleus

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16
Q

medial mammillary nucleus

A

termination of postcommissural fornix

17
Q

intermediate and lateral mammillary nuclei

A

reticular formation via mammillary peduncle

18
Q

posterior hypothalamic nucleus

A

merges w/ PAG and associated with emotional, cardiovascular and analgesic functions

19
Q

blood supply of hypothalamus

A

A1, anterior communicating, posterior communicating and P1

20
Q

largest input to hypothalamus

A

fornix

21
Q

hypothalamic afferents

A 
fornix
medial forebrain bundle
amygdalohypothalamic fibers
-stria terminalis
-ventral amygdalofugal pathway
22
Q

ascending hypothalamic pathways

A
  • mammillary fasciculus

- hypothalamothalamic fibers

23
Q

direct links of hypothalamus and ANS

A

-hypothalamospinal and hypothalamomedullary fiber

24
Q

indirect links of hypothalamus and ANS

A
  • posterior longitudinal fasciculus
  • mammilotegmental tract
  • PAG neurons

Neuro Test 3 (11 decks)

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