General Medicine General a90c6188 Some areas in or near the brainstem, situated outside the blood-brain barrier, are A Anterior pituitary, area postrema and subfornical organ B Area postrema, organum vasculosum of lamina terminalis, posterior pituitary and subfornical organ C Median eminence of hypothalamus, anterior pituitary, organum vasculosum of lamina terminals and area postrema D Pituitary gland, median eminence of hypothalamus and subfornical organ