Hypothalamic nuclei

Question 1

Anterior N.

Answer 1

Anterior part of hypothalamus
Thermoregulation: cooling
Lesion: hyperthermia

Question 2

Supracharismatic N.

Answer 2

Anterior part of hypothalamus
Circadian Rhythm
Pathway
Retina –> SCN –> release NE –> pineal gland –> release melatonin

Question 3

Preoptic N.

Answer 3

Anterior Hypothalamus

GnRH release

Question 4

Supraoptic.N

Answer 4

Anterior Hypothalamus
Secretes ADH
lesion: Central DI - inabiltiy to concentrate urine

Question 5

Paraventricular N.

Answer 5

Anterior Hypothalamus
Secrete oxytocin
CRH
TRH

Question 6

Arcuate

Answer 6

Tuberal portion of hypo
secretes
GHRH
Puslatile GnRH 
Dopamine
Regulates appetite

Question 7

Lateral N.

Answer 7

Tuberal
Regulates hunger
inhibited by leptin
lesion: anorexia

Question 8

Ventromedial N.

Answer 8

Tuberal
Regulates Satiety
Stimulated by leptin
Lesion: obesity and savage behavior

Question 9

Dorsomedial N.

Answer 9

Tuberal
Regulates Hunger
Lesion: Obesity and satiety

Question 10

Posterior N.

Answer 10

Posterior Hypothalamus
Thermoregulation: warming
lesion - hypothermia

Question 11

Mamillary Bodies

Answer 11

Posterior hypothalamus
Memory
Lesion: loss of memory (also seen with thiamine deficiency wernike - korsakoff)