pineal body

pineal body

noun
(formerly) the pineal gland.

Origin:
1830–40

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Collins
World English Dictionary
pineal gland or pineal body
 
n
epiphysis, Technical names: epiphysis cerebri a pea-sized organ in the brain, situated beneath the posterior part of the corpus callosum, that secretes melatonin into the bloodstream
 
pineal body or pineal body
 
n

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American Heritage
Medical Dictionary

pineal body n.
A small, unpaired, flattened glandular structure lying in the depression between the two superior colliculi of the brain and secreting the hormone melatonin. Also called conarium, epiphysis, pineal gland.

The American Heritage® Stedman's Medical Dictionary
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