pineal body
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Related to pineal body: cerebral aqueduct, Corpora quadrigemina
pin′eal gland`
n.
a small, cone-shaped endocrine organ in the posterior forebrain, secreting melatonin and involved in biorhythms and gonadal development. Also called epiphysis.
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Noun | 1. | pineal body - a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin ductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream |
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