proceeding from within; derived internally.
Biology. growing or developing from within; originating within.
Pathology. (of a disease) resulting from conditions within the organism rather than externally caused.
Biochemistry. pertaining to the metabolism of nitrogenous elements of cells and tissues.
Origin of endogenous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
biology developing or originating within an organism or part of an organismendogenous rhythms
having no apparent external causeendogenous depression
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
Originating or produced within an organism, tissue, or cell.
Caused by factors within the body. Used of a disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Originating or produced within an organism, tissue, or cell. Compare exogenous.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.