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Pronunciation: nip'el

Definition: A bulblike or buttonlike projection at the apex of the breast on the surface of which the lactiferous ducts open; it is surrounded by a circular pigmented area, the areola.

Synonym(s): papilla mammaeTA, mammilla2, papilla of breast, teat1, thele, thelium3

[dim. of A.S. neb, beak, nose (?)]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.