Name that nucleus

Question 1

Anterior nucleus

Answer 1

thermoregulation (cooling). Damage causes hyperthermia

Question 2

Suprachiasmatic nucleus

Answer 2

circadian rhythms, “master clock”

Question 3

preoptic nucleus

Answer 3

secretes GnRH

Question 4

Supraoptic area

Answer 4

secretes ADH which is then stored in the posterior pituitary, damage causes central DI

Question 5

Paraventricular area

Answer 5

secretes oxytocin which is stored in the posterior pituitary, secretes CRH (ACTH secretion), secretes TSH

Question 6

Arcuate nucleus

Answer 6

secretes GnRH, secretes DA, pulsatile GnRH secretion, regulates appetite

Question 7

Lateral nucleus

Answer 7

regulates hunger, inhibited by leptin (satiety), damage leads to anorexia, weightloss

Question 8

ventromedial nucleus

Answer 8

regulates satiety, stimulated by leptin (hunger), damage leads to obesity, savage behavior

Question 9

dorsomedial nucleus

Answer 9

regulates hunger, stimulation leads to obesity, and savage behavior

Question 10

posterior

Answer 10

thermoregulation (warming), damage causes hypothermia

Question 11

mammillary nucleus in mammillary bodies

Answer 11

memory, damage causes Wernicke Korsikoff (amnesia, confabulation, nystagmus, ataxia, 2/2 diminished thiamin)