Hypothalamus, Posterior

**Definition:** The part of the hypothalamus posterior to the middle region consisting of several nuclei including the medial maxillary nucleus, lateral mammillary nucleus, and posterior hypothalamic nucleus (posterior hypothalamic area). The posterior hypothalamic area is concerned with control of sympathetic responses and is sensitive to conditions of decreasing temperature and controls the mechanisms for the conservation and increased production of heat.

**Tree numbers:** - A08.186.211.180.497.362 - A08.186.211.200.317.357.362

**Synonyms:** - Hypothalamic Region, Posterior - Posterior Hypothalamic Region - Area Hypothalamica Posterior - Hypothalamus Posterior - Mammillary Region - Posterior Hypothalamus