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pineal gland
noun
Note: The pineal gland varies in morphological complexity, and in some nonmammalian vertebrates (such as various reptiles) may serve a photoreceptive function.
Examples of pineal gland in a Sentence
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pineal gland.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
1712, in the meaning defined above
Dictionary Entries Near pineal gland
Cite this Entry
“Pineal gland.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pineal%20gland. Accessed 25 Oct. 2024.
Kids Definition
pineal gland
nouncalled also pineal body
Medical Definition
pineal gland
nouncalled also pineal, pineal body, pineal organ
More from Merriam-Webster on pineal gland
Britannica.com: Encyclopedia article about pineal gland
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