the presence of parvocellular vasopressin- and neurophysin-containing neurons in the suprachiasmatic nucleus ( scn ) was investigated in 13 mammalian species representing six mammalian orders ( marsupials , rodents , lagomorphs , artiodactyls , carnivores , and primates ) , using specific antisera to vasopressin and neurophysin in the unlabelled antibody=enzyme immunoperoxidase method .
C0020960
antisera
C0003241
antibody