All of the following are devoid of blood brain barrier except
Adenohypophysis is not devoid of blood-brain barrier (BBB) Neurohypophysis is devoid of blood-brain barrier The following are the circumventricular organs (CVO) or areas devoid of the blood-brain barrier Pineal body Neurohypophysis Organum Vasculosum of lamina terminalis (OVLT) Median Eminence(Hypothalamus) Subcommissural organ Subfornical organ Area postrema Ref: Gray's Anatomy 41st edition Pgno: 275
Organum Vasculosum
Median Eminence
Adenohypophysis
Pineal gland
Brain 