egestion

views updated May 23 2018

egestion The expulsion from the body of waste food materials that have never left the gut, particularly the expulsion of undigested materials from the gut through the anus (see defecation). Egestion should not be confused with excretion, in which the waste materials are produced by metabolic activity in the body's tissues.

A Dictionary of Biology

egestion

views updated May 17 2018

egestion The expulsion by an organism of waste products that have never been part of the cell constituents.

A Dictionary of Ecology MICHAEL ALLABY

egestion

views updated May 14 2018

egestion The expulsion by an organism of waste products that have never been part of the cell constituents.

A Dictionary of Zoology MICHAEL ALLABY

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