Student Dictionary

One entry found for pineal gland.
Main Entry: pi·ne·al gland
Pronunciation: primarystresspimacr-nemacron-schwal, pimacr-primarystressnemacron-
Function: noun
: a small usually cone-shaped part of the brain of most vertebrates that has an eyelike structure in reptiles and produces melatonin especially in response to darkness -- called also pineal body

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