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13 Cards in this Set

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Lateral preoptic nucleus
In lateral zone

Role in NREM sleep via inhibition of lateral tuberal nucleus
Lateral hypothalamic area
In lateral zone

Eating when stimulated, anorexia/starvation when inhibited
Lateral tuberal nucleus
In lateral zones

Contains nn. that release histamine throughout brain, role in arousal, attention
Medial preoptic nucleus
In preoptic area of medial zone

Nn. regulate gonadotropin secretion from anterior pituitary, contain sexually dimorphic interstitial nucleus of anterior hypothalamus
Suprachiasmatic nuclei
In supraoptic area of medial zone

Receives input from retina, optic chiasm, role in circadian rhythms, vision
Anterior hypothalmic nucleus
In supraoptic area in medial zone

Involved in hot temp regulation, triggers heat loss, lesion causes hyperthermia
Paraventricular nucleus
In supraoptic area of medial zone

Nn. synthesize posterior pituitary hormones, i.e. CRH, oxytocin and vasopressin, also projects to preganglionic sympathetic nn. in SC
Supraoptic nuclei
In supraoptic area of medial zone

Nn. synthesize vasopressin and oxytocin, project via supraopticohypohysesal tract to post pituitary
Dorsomedial nucleus
In tuberal area of medial zone

Stimulation causes aggression, also role in BP control
Ventromedial nucleus
In tuberal area of medial zone

Inhibits urges to eat, may function in satiety center, lesion causes hyperphagia, aggressive behavior
Arcuate nucleus
In tuberal area of medial zone

Controls release of anterior pituitary hormones by synthesizing hypothalamic releasing/inhibiting factors
Posterior nucleus
In mammillary area of medial zone

Role in cold temperature regulation, lesions cause poikilothermia
Mammillary nucleus
In mammillary area of medial zone

In mammillary bodies, receives input from hippocampus via fornix, projects to anterior nucleus of thalamus via mammillothalamic tract