| Pronunciation: | | 'pineeul gland
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 WordNet Dictionary |
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| | Definition: | | [n] a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin |
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| | Synonyms: | | epiphysis, epiphysis cerebri, pineal body |
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| | See Also: | | ductless gland, endocrine gland |
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| Medical Dictionary |
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| | Definition: | | A tiny organ located in the cerebrum that produces melatonin. Also called pineal body or pineal organ. |
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| Biology Dictionary |
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| | Definition: | | A small, flat gland found within the brain which produces the hormones melatonin and serotonin. |
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