Hypothalamic nuclei Flashcards
Suprachiasmatic
Circadian rhythm
Sleep rhythm disorder
Preoptic
Thermoregulation, sexual behaviour, secretes GnRH
Arrested sexual development / amenorrhea / impotence
Supraoptic
Oxytocin + ADH production
DI
Paraventricular
Regulates secretion of oxytocin + ADH, secretes CRH, TRH
DI
Anterior
Keep cool - para
Hyperthermia
Posterior
Keep warm - symp
Hypothermia
Arcuate
Dopamine, GnRH, stimulates appetite, sensitive to leptin
Galactorrhea, amenorrhea
Dorsomedial
Stimulates appetite, sensitive to leptin, rage, libido, circadian activity
Obesity + savage behaviour
Ventromedial
Satiety centre
Appetite, sexual behaviour, insulin regulation
Hyperphagia
Lateral
Feeding centre - appetite
Anorexia / increased appetite