rhizoverbBeta
DictionaryhypothalamusBrain control region
noun

hypothalamus

high-puh-THAL-uh-muhs/ˌhaɪpəˈθæləməs/

a region of the brain that regulates basic bodily functions and hormone release

The hypothalamus helps regulate body temperature and signals hunger.

A clean sagittal brain illustration based on the approved anatomical reference highlights the small hypothalamic region below the thalamus and above the pituitary stalk; a restrained inset of food, thermometer and gland symbols suggests regulation, no diagnostic claims or treatment.
Etymology
hypoGreekunder
+thalamusLatinthalamus, a brain structure

“Under the thalamus” names this region by its position below and in front of the thalamus, rather than by its regulatory functions.

In context

Neuroscientifically Challenged5:51
Some of the major functions generally attributed to the hypothalamus include the regulation of: thirst and drinking behavior, hunger and feeding, body temperature, stress responses, circadian rhythms, and more.
Major Brain Structures and Their Functions

More examples

  • The hypothalamus directs the pituitary gland to release certain hormones.
  • Damage to the hypothalamus can disrupt sleep and appetite.
  • The hypothalamus helps trigger thirst when the body needs water.

Forms

hypothalamus · hypothalami

hypothalamic adjective — relating to the brain's hypothalamus