| umls-concept:C0038866 | skos:definition | MSH: An ovoid densely packed collection of small cells of the anterior hypothalamus lying close to the midline in a shallow impression of the optic chiasm.,CSP: small group of nerve cell bodies in the supraoptic region of the hypothalamus, just above the optic chiasm; influences rhythmic aspects of hypothalamic functions in many vertebrate species.,NCI: A tear-shaped dense area of cells in the hypothalamus, which is responsible for regulating circadian rhythms. | lld:umls |
