NEURO - Hypothalamus

Question 1

Hypothalamus

Answer 1

TAN HATS

Thirst and water balance
Adenohypophysis control (regulates anterior pituitary)
Neurohypophysis releases hormones produced in the hypothalamus
Hunger
Autonomic regulation
Temperature regulation
Sexual urges.

Question 2

Supraoptic nucleus

of Hypothalamus

Answer 2

makes ADH

stored in post. pit.

Question 3

Paraventricular nucleus

of Hypothalamus

Answer 3

makes oxytocin

stored in post. pit.

Question 4

Lateral area

Answer 4

Hunger.

Destruction-->anorexia, failure
to thrive (infants). 

Stimulated by gherkin, inhibited by leptin.

“If you zap your lateral area, you shrink laterally”

Question 5

Ventromedial area

Answer 5

Satiety.

Destruction (eg, craniopharyngioma)–>Ž hyperphagia.

Stimulated by leptin.

“If you zap your ventromedial area, you grow
ventrally and medially.”

Question 6

Anterior hypothalamus

Answer 6

Cooling, parasympathetic

“A/C = anterior cooling”

Question 7

Posterior hypothalamus

Answer 7

Heating, sympathetic

“If you zap your posterior hypothalamus, you become a poikilotherm (cold-blooded, like a snake)”

Question 8

Suprachiasmatic nucleus

Answer 8

Circadian rhythm

“You need sleep to be charismatic (schismatic)”