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nuclei Definition
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nuclei
noun(nu-cle-us)the small bright body in the head of a comet
nuclei
noun(nu-cle-us)the small brighter and denser portion of a galaxy
nuclei
noun(nu-cle-us)a central point, group, or mass about which gathering, concentration, or accretion takes place: such as
nuclei
noun(nu-cle-us)the most medial of the four basal ganglia in each cerebral hemisphere —called also caudate
nuclei
noun(nu-cle-us)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