a detailed analysis of the cytoarchitecture , retinohypothalamic tract ( rht ) projections , and immunohistochemical localization of major cell and fiber types within the hypothalamic suprachiasmatic nuclei ( scn ) was conducted in five mammalian species : two species of opossum , the domestic cat , the guinea pig , and the house mouse .
C0020663
hypothalamic
C0038866
suprachiasmatic nuclei