For 10 points, what is this pituitary hormone that stimulates cervix dilation during birth and the ejection of milk for breastfeeding.
Its binding sites include the bed nucleus of the stria terminalis and the lateral septum. Secreted along with neurophysin-carrier proteins, it was the first polypeptide hormone to be synthesized. It differs from anti-diuretic hormone in two of its nine amino acids, and both it and vasopressin can be inhibited with (*) Atosiban. This hormone stimulates contraction of alveolar myoepithelial cells and causes the ejection of fluid into associated ducts and cisterns. Myometrial receptors for this hormone appear late in gestation. For 10 points, what is this pituitary hormone that stimulates cervix dilation during birth and the ejection of milk for breastfeeding.
Its binding sites include the bed nucleus of the stria terminalis and the lateral septum.
{oxytocin}