Hypothalamus Flashcards
What is the function of the posterior nucleus in hypothalamus
Heat and waking
Dysfunction of posterior nucleus of hypothalamus?
Narcolepsy
What is the function of the anterior nucleus of the hypothalamus?
Cooling and sleep
Dysfunction in anterior nucleus of hypothalamus
Insomnia and heat
What are the hypothalamic nuclei responsible for water balance through posterior pituitary?
Supra-optic and and paraventricular nucleus: control ADH and oxytocin
What is the hypothalamic nucleus responsible for circadian rhythm
Suprachiasmatic nucleus
What is the hypothalamic nucleus responsible for satiety?
Ventromedial nucleus in middle tuberal group
Dysfunction in the paraventricular nucleus causes ….
Diabetes insipidus
What is the hypothalamic nucleus responsible for sexual function (release of gonatrophic hormones)
Medial pre-optic
What is the hypothalamic nucleus responsible for dopamine production
Arcuate nucleus
What are the hypothalamic nuclei responsible for autonomic function
Paraventricular nucleus and dorsomedial nucleus (DM)
Which hypothalamic nucleus is responsible for non-REM sleep
Lateral pre-optic
What is the function of lateral hypothalamic nucleus
Hunger ( inc appetite), transition between wake and sleep (dysfunction: narcolepsy and loss of appetite)
