suprachiasmatic nucleus
su·pra·chi·as·mat·ic nucleus
noun \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
First Known Use of SUPRACHIASMATIC NUCLEUS
1938
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