Circumventricular organs (CVOs) are structures in the brain that are characterized by their extensive vasculature and lack of a normal blood brain barrier (BBB).
- Area postrema
- Organum vasculosum of the lamina terminalis (OVLT)
- Subfornical organ (SFO)
- Posterior pituitary
- Median eminence
- Pineal gland
Note:
Inclusion of Choroid Plexus in CVOs is debatable , but it is also outside BBB. Thus enhance on CECT.
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