pineal gland


noun

a small, cone-shaped endocrine organ in the posterior forebrain, secreting melatonin and involved in biorhythms and gonadal development.
Also called epiphysis.

Origin of pineal gland

First recorded in 1705–15

British Dictionary definitions for pineal gland

pineal gland

pineal body


noun

a pea-sized organ in the brain, situated beneath the posterior part of the corpus callosum, that secretes melatonin into the bloodstream Technical names: epiphysis, epiphysis cerebri

Medical definitions for pineal gland

pineal gland

n.

pineal body

Scientific definitions for pineal gland

pineal gland

A small gland located near the brain and primarily involved in the production and secretion of the hormone melatonin, which regulates circadian rhythms in many animals, including humans.