<prompt> All are true for oxytocin EXCEPT: March 2013PolypeptideSecreted by anterior pituitaryCauses ejection of milkSecreted in both sexes  <response>: Ans. B i.e. Secreted by anterior pituitaryOxytocin is secreted mainly by Supraoptic and paraventricular nucleus of hypothalamus and is transpoed from hypothalamus to posterior pituitary. When suitable stimuli reach the posterior pituitary from hypothalamus, oxytocin is released into blood. 