What does the pineal gland have in common with the area postrema?
A) Both contain acetylcholine.
B) Both are in the epithalamus.
C) Both are unprotected by the blood-brain barrier.
D) Both are absent from the human brain.

Question

Quizplus · Accepted Answer

Both the pineal gland and the area postrema are areas in the brain that are not protected by the blood-brain barrier, allowing them to directly interact with substances in the bloodstream.

What Does the Pineal Gland Have in Common with the Area