Dictionary

suprachiasmatic nucleus

noun su·pra·chi·as·mat·ic nucleus \ˌsü-prə-ˌkī-əz-ˈma-tik-\

Definition of SUPRACHIASMATIC NUCLEUS

:  either of a pair of neuron clusters in the hypothalamus situated directly above the optic chiasma that receive photic input from the retina via the optic nerve and that regulate the body's circadian rhythms
ADVERTISEMENT

First Known Use of SUPRACHIASMATIC NUCLEUS

1938
Medical Dictionary

suprachiasmatic nucleus

noun

Medical Definition of SUPRACHIASMATIC NUCLEUS

:  either of a pair of neuron clusters in the hypothalamus situated directly above the optic chiasma that receive photic input from the retina via the optic nerve and that regulate the body's circadian rhythms—abbreviation SCN

Browse

Next Word in the Dictionary: suprachoroidPrevious Word in the Dictionary: supracervicalAll Words Near: suprachiasmatic nucleus
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears