the mean diameters of these parvocellular vasopressin neurons ranged from 16.6 to 19.8 micron in the different regions , in contrast to the 25.4 micron mean diameter of hypothalamic magnocellular vasopressin neurons , or the 13.7 micron mean diameter of parvocellular vasopressin neurons in the suprachiasmatic nucleus .
C0020663
hypothalamic
C0038866
suprachiasmatic nucleus