Online Encyclopedia

EXCRETION (Lat. ex, out of, cernere, ...

Online Encyclopedia
Originally appearing in Volume V10, Page 61 of the 1911 Encyclopedia Britannica.
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EXCRETION (Lat. ex, out of, cernere, cretum, to separate), in plant and animal physiology, the separation from an organ of some substance, also the substance separated. The term usually refers to the separation of waste or harmful products, as distinguished from " secretion," which refers td products that play a useful or necessary part in the functions of the organism.
End of Article: EXCRETION (Lat. ex, out of, cernere, cretum, to separate)
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