pineal gland

Pronunciation: (PIH-nee-ul ...)

A tiny organ in the cerebrum that produces melatonin. Also called pineal body and pineal organ.

Source: NCI Dictionary of Cancer Terms

Caption: Anatomy of the inside of the brain, showing the pineal and pituitary glands, optic nerve, ventricles (with cerebrospinal fluid shown in blue), and other parts of the brain.

Date last modified: 2010-10-21