Hypothalamus



         


In the anatomy of mammals, the hypothalamus is a region of the brain located below the thalamus, forming the major portion of the ventral region of the diencephalon and functioning to regulate certain metabolic processes and other autonomic activities. The hypothalamus links the nervous system to the endocrine system by producing releasing hormones.

In particular, the hypothalamus is the area of the brain that controls body temperature, hunger and thirst, and circadian cycles.

It connects to the pituitary gland via the tuberoinfundibular pathway.

[Top]

Hypothalamic nuclei


Region Medial Area Lateral Area
Anterior Medial preoptic nucleus

Supraoptic nucleus
Paraventricular nucleus
Anterior nucleus
Suprachiasmatic nucleus

Lateral preoptic nucleus

Lateral nucleus
Part of supraoptic nucleus

Tuberal Dorsomedial nucleus

Ventromedial nucleus
Arcuate nucleus

Lateral nucleus

Lateral tuberal nuclei

Posterior Mammillary nuclei (part of mammillary bodies)

Posterior nucleus

limbic system, HPA axis, cluster headaches

Endocrine system

Adrenal gland - Corpus luteum - Hypothalamus - Ovaries - Pancreas - Parathyroid gland - Pineal gland - Pituitary gland - Testes - Thyroid gland





  View Live Article   This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License