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neurology FA > Hypothalamus/limbic system > Flashcards

Hypothalamus/limbic system Flashcards

1
Q

hypothalamus - function

A

mnemonic TAN HATS
Thirst and water balance, Adenohypophysis control, Neurohypophysis hormones, Hunger, Autonomic regulation, Temperature regulation, Sexual urges

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2
Q

hypothalamus - inputs

A

areas not protected by BBB:

  1. OVLT (organum vasculosum of the lamina terminalis) (senses change in osmolarity)
  2. area postrema (respond to emetics)
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3
Q

hypothalamus - ADH vs oxytocin sccording to source

A

Supraoptic nucleus –> ADH

Paraventricular nucleus –> oxytocin

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4
Q

Lateral area of hypothalamus - function

A

regulates hunger

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5
Q

ventromedial area of hypothalamus - function

A

regulate satiety

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6
Q

Anterior hypothalamus - function

A
  1. cooling

2. parasympathetic

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7
Q

Posterior hypothalamus - function

A
  1. heating

2. sympathetic

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8
Q

Suprachiasmatic nucleus of hypothalamus - function

A

circadian rhythm

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9
Q

destruction of lateral area of hypothalamus –>

A
  1. anorexia

2. failure to thrive (infants)

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10
Q

lateral area of hypothalamus - hormones

A
  • inhibited by leptin

- stimulated by ghrelin

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11
Q

ventromedial area of hypothalamus destruction –>

A

hyperphagia

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12
Q

causes of ventromedial area of hypothalamus destruction

A

craniopharyngioma

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13
Q

ventromedial area of hypothalamus - hormones

A

stimulated by leptin

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14
Q

hypothalamus - parasympathetic and sympathetic are regulated by

A
  1. parasympathetic: anterior hypothalamus

2. sympathetic: posterior hypothalamus

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15
Q

hypothalamus - circadian rhythm is controlled by

A

Suprachiasmatic nucleus of hypothalamus

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16
Q

hypothalamus - heating and cooling are controlled by

A
  1. cooling: anterior hypothalamus

2. heating: posterior hypothalamus

17
Q

OVLT function

A

senses changes in osmolarity

18
Q

Limbic system - definition/function/responsible/structures

A

collection of neural structures involved in emotion long-term memory, oflaction, behavior modulation, ANS function (1.feeding 2.fleeing 3.fighting 4. feeling 5. sex)

structures: 1. hippocampus 2. amygdala 3. fornix
4. mammillary bodies 5. cingulate gyris

19
Q

Limbic system - structures

A
  1. hippocampus 2. amygdala 3. fornix

4. mammillary bodies 5. cingulate gyris

20
Q

Limbic system - responsible for

A
  1. feeding 2. fleeing 3. fighting 4. feeling 5. sex
21
Q

Limbic system is a collection of neural structures involved in

A
  1. emotion
  2. long-term memory oflaction
  3. behavior modulation
    4 ANS function

neurology FA (31 decks)

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