Hypothalamus

Question 1

Inputs not protected by blood brain barrier

Answer 1

OVLT = organum vasculosum of the lamina terminalis (senses change in osmolarity)
Area postrema = responds to emetics

Question 2

Nucleus that synthesizes ADH

Answer 2

Supraoptic = ADH

Question 3

Nucleus that synthesizes oxytocin

Answer 3

Paraventricular = oxytocin

Question 4

Lateral area
Function?
Destruction?
Response to leptin?

Answer 4

HUNGER
Destruction = anorexia, failure to thrive
“Zap LATERAL nucleus = shrink LATERALLY”
Inhibited by leptin (satiety)

Question 5

Ventromedial area
Function?
Destruction?
Response to leptin?

Answer 5

SATIETY
Destruction = hyperphagia
“Zap VENTROMEDIAL nucleus, grow VENTRALLY and MEDIALLY”
Stimulated by leptin

Question 6

Anterior hypothalamus

Answer 6

Cooling, parasympathetic

A/C = Anterior Cooling

Question 7

Posterior hypothalamus

Answer 7

Heating, sympathetic
“Get fired up”
“Zap posterior = become poikilotherm (cold-blooded)”

Question 8

Suprachiasmatic nucleus

Answer 8

Circadian rhythm

“Sleep to be charismatic”