Skip Navigation
Genetics Home Reference: your guide to understanding genetic conditions About   Site Map   Contact Us
 
Home A service of the U.S. National Library of Medicine®
0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q-R | S | T | U | V | W | X | Y-Z

Pineal gland

Synonym(s)

  • corpus pineale
  • glandula pinealis
  • pineal
  • pineal body
  • pineal organ

Definition(s)

A light-sensitive neuroendocrine organ attached to the roof of the third ventricle of the brain. The pineal gland secretes melatonin, other biogenic amines, and neuropeptides.

Definition from: MeSH via Unified Medical Language SystemThis link leads to a site outside Genetics Home Reference. at the National Library of Medicine

A small body that arises from the roof of the third ventricle and is enclosed by the pia mater and that functions primarily as an endocrine gland that produces melatonin -- called also pineal, pineal body, pineal organ.

Definition from: Merriam-Webster's Medical DictionaryThis link leads to a site outside Genetics Home Reference. by Merriam-Webster Inc.

A tiny organ in the cerebrum that produces melatonin.

Definition from:  National Cancer Institute dictionaryThis link leads to a site outside Genetics Home Reference.

See also Understanding Medical Terminology.

 
Published: December 16, 2014