Toxinas

Definición

Las toxinas son sustancias creadas por plantas y animales que son venenosas o tóxicas para los seres humanos. También incluyen medicamentos que son útiles en pequeñas dosis, pero tóxicos cuando se utilizan en grandes cantidades.

La mayoría de las toxinas que causan problemas en humanos son secretadas por microorganismos como bacterias. Por ejemplo, el cólera se debe a una toxina bacteriana.

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Revision

Last reviewed 5/29/2011 by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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