hypothalamus
Noun
Meaning
a basal part of the diencephalon governing autonomic nervous system
Source: WordNetSynonyms
Hypernyms
Phrases with the word
Examples
I learned a lot more about transgender people. It's not a choice, but a physiological condition that has to do with the size of the hypothalamus part of the brain.
A cat does not hiss or arch its back when pursuing a rat, and the active areas in its hypothalamus resemble those that reflect hunger rather than those that reflect aggression.
A decrease in volume or pressure is a nonosmotic stimulus for antidiuretic hormone production in the hypothalamus, which exerts its effect in the medullary collecting duct for water reabsorption.
Additionally the hypothalamus plays a role in motivation and many other behaviors of the individual.
A key component of the arousal system is the suprachiasmatic nucleus (SCN), a tiny part of the hypothalamus located directly above the point at which the optic nerves from the two eyes cross.
Finally, increasing levels of testosterone through a negative feedback loop act on the hypothalamus and pituitary to inhibit the release of GnRH and FSH/LH, respectively.