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pineal

Syllabification: (pin·e·al)
Pronunciation: /ˈpinēəl, ˈpī-/

(also pineal gland, pineal body)
Definition of pineal

noun

  • a pea-sized conical mass of tissue behind the third ventricle of the brain, secreting a hormonelike substance in some mammals.

Origin:

late 17th century: from French pinéal, from Latin pinea 'pine cone'. The anatomical term refers to the shape of the gland

pineal in other Oxford dictionaries

Definition of pineal in the British & World English dictionary

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