Overview Introduction Function to secrete oxytocin and vasopressin into systemic circulation recall that the posterior pituitary (or neurohypophysis) have their neuronal cell bodies in the hypothalamus Anatomy embryology derived from an evagination of the floor of the forming ventricular system the pituitary gland resides within the sella turcica underneath the sella turcica is the sphenoid sinus allowing login to view 1 more bullet the pituitary fossa is laterally bounded by the cavernous sinus the pituitary gland lies inferiorly to the optic chiasm pituitary tumors compressing the optic chiasm results in a login to view 1 more bullet Clinical correlate central diabetes insipidus secondary to vasopressin (ADH) deficiency and can result from login to view 3 more bullets syndrome of inappropriate ADH secondary to ADH excess and can results from login to view 5 more bullets