Skip to Content
Medical Term:


Pronunciation: eks-kre'shun


  1. The process whereby the undigested residue of food and the waste products of metabolism are eliminated, material is removed to regulate the composition of body fluids and tissues, or substances are expelled to perform functions on an exterior surface.
  2. The product of a tissue or organ that is material to be passed out of the body.

Synonym(s): excreta

[see excrement]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.