Hypothalamus position Floor of third ventricle (Tuber cinerum and Mamillary bodies) MM TC.

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Presentation transcript:

Hypothalamus

position

Floor of third ventricle (Tuber cinerum and Mamillary bodies) MM TC

Tuber cinerum: infundibulum Median Eminence Lat. Eminence Postinfundibular Eminenece

Hypothalamus zones By fornix and mamillothalamic tract 1- medial zone 2- lateral zone

Medial zone 1- suprachiasmatic region 2- tuber cinerum region 3- mamillary region

Lateral zone 1- Lateral nucleus 2-Lateral tuberal nuclei

Lateral zone

Functions of hypothalamic nuclei 1-contol of endocrine glands via pituitary gland

Two ways of control 1- Tuberoinfundibular tract (related to ant lobe or adenohypophys) 2- Hypothalamohypophyseal tract( related to post lobe or neurohypophys)

Functions of hypothalamic nuclei 1-contol of body tempreture

Ant. nucleus post. nucleus

Functions of hypothalamic nuclei 1-contol of behavior

Functions of hypothalamic nuclei 1- water balance Lateral nucleus

Functions of hypothalamic nuclei 1- circadian cycle Suprachiasmatic nucleus

Functions of hypothalamic nuclei 1-Control of autonomic system Postro-lateral (sympathetic response) Antro-medial (parasympathetic response)

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