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Pronunciation: en'do-krin


  1. Secreting internally, most commonly into the systemic circulation; of or pertaining to such secretion.
  2. The internal or hormonal secretion of a ductless gland.
  3. Denoting a gland that furnishes an internal secretion.

[endo- + G. krino, to separate]

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