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Definition of Pineal gland
1. Noun. A small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin.
Exact synonyms: Epiphysis, Epiphysis Cerebri, Pineal Body
Generic synonyms: Ductless Gland, Endocrine, Endocrine Gland
Generic synonyms: Ductless Gland, Endocrine, Endocrine Gland
Medical Definition of Pineal gland
1. A small, flat gland found within the brain which produces the hormones melatonin and serotonin. (09 Oct 1997)