Hypothalamus Flashcards
1
Q
Hunger
Destruction leads to anorexia, failure to thrive (infants)
Inhibited by leptin
A
Lateral area
“If you zap your lateral area, you shrink laterally”
2
Q
Satiety
Destruction (e.g. craniopharyngioma) leads to hyperphagia
Stimulated by leptin
A
Ventromedial area
“If you zap your ventromedial nucleus, you grow ventrally and medially”
3
Q
Cooling, parasympathetic
A
Anterior hypothalamus
A/C = Air conditioning = Anterior Cooling
4
Q
Heating, sympathetic
A
Posterior hypothalamus
If you zap your posterior hypothalamus, you become a poiklotherm (cold-blooded)
5
Q
Circadian rythym
A
Suprachiasmatic nucleus
6
Q
ADH
A
Supraoptic nucleus
7
Q
Paraventricular nuclei
A
Oxytocin
