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
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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
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