two hormones produced by the hypothalamus are stored in the pituitary gland. one is oxytocin which acids expulsion of the foetus from the mother's uterus as well as triggering the milk letdown reflex in mursing mothers. The other is the antidiuretic hormone(ADH), also known as vasopressin. this hormone not only stimulates reabsorption of water by the kidney tubules, but it also raises arterial blood pressure by constricting the arterioles