[ en-doj-uh-nuhs ]
See synonyms for endogenous on Thesaurus.com
  1. proceeding from within; derived internally.

  2. Biology. growing or developing from within; originating within.

  1. Pathology. (of a disease) resulting from conditions within the organism rather than externally caused.

  2. Biochemistry. pertaining to the metabolism of nitrogenous elements of cells and tissues.

  3. Geology. endogenetic.

Origin of endogenous

First recorded in 1825–35; endo- + -genous

Other words from endogenous

  • en·do·ge·nic·i·ty [en-doh-juh-nis-i-tee], /ˌɛn doʊ dʒəˈnɪs ɪ ti/, noun
  • en·dog·e·nous·ly, adverb

Words that may be confused with endogenous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use endogenous in a sentence

  • He held, however, that the nuclei multiplied endogenously and not by division.

    Form and Function | E. S. (Edward Stuart) Russell
  • In its protoplasm a number of germs first appear endogenously, but the nucleus of the germogen does not assist in their formation.

  • The quality q, so far, is an entirely subjective fact which the feeling carries so to speak endogenously, or in its pocket.

    The Meaning of Truth | William James

British Dictionary definitions for endogenous


/ (ɛnˈdɒdʒɪnəs) /

  1. biology developing or originating within an organism or part of an organism: endogenous rhythms

  2. having no apparent external cause: endogenous depression

Derived forms of endogenous

  • endogenously, adverb
  • endogeny, noun

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

Scientific definitions for endogenous


[ ĕn-dŏjə-nəs ]

  1. 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.