'pineal body' definitions:
Definition of 'pineal body'
(from WordNet)
noun
A small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin [syn: pineal gland, pineal body, epiphysis cerebri, epiphysis]
Definition of 'pineal body'
From: GCIDE
- Pineal \Pi"ne*al\, a. [L. pinea the cone of a pine, from pineus of the pine, from pinus a pine: cf. F. pin['e]ale.] Of or pertaining to a pine cone; resembling a pine cone. [1913 Webster]
- Pineal gland (Anat.), a glandlike body in the roof of the third ventricle of the vertebrate brain; -- called also pineal body, epiphysis, conarium. In some animals it is connected with a rudimentary eye, the so-called pineal eye, and in other animals it is supposed to be the remnant of a dorsal median eye. [1913 Webster]