endogenous

[ en-doj-uh-nuhs ]

adjective

1. proceeding from within; derived internally.
2. Biology. growing or developing from within; originating within.
3. Pathology. (of a disease) resulting from conditions within the organism rather than externally caused.
4. Biochemistry. pertaining to the metabolism of nitrogenous elements of cells and tissues.
5. Geology. endogenetic.

endogenous

/ ɛnˈdɒdʒɪnəs /

adjective

1. biology developing or originating within an organism or part of an organism

   endogenous rhythms

2. having no apparent external cause

   endogenous depression

endogenous

/ ĕn-dŏj′ə-nəs /

1. Originating or produced within an organism, tissue, or cell.
2. Compare exogenous

Derived Forms

• enˈdogeny, noun
• enˈdogenously, adverb

Other Words From

• en·do·ge·nic·i·ty [en-doh-j, uh, -, nis, -i-tee], noun
• en·doge·nous·ly adverb

Word History and Origins

Origin of endogenous¹

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

Example Sentences

HERVs, or human endogenous retroviruses, make up around eight percent of the human genome, left behind as a result of infections that humanity’s primate ancestors suffered millions of years ago.

From Singularity Hub 

The viruses, called porcine endogenous retroviruses, don’t bother pigs but might cause problems after suddenly finding themselves in another species.

From Science News

These threats can be endogenous–internally generated, like if you have stressful thoughts–or they can be exogenous, such as the noise of an ambulance or pinging notifications on your phone overnight.

From Time

For many Brits, Brown never recovered from using the phrase “post neo-classical endogenous growth theory.”

From The Daily Beast

(B) Endogenous: The cell protoplasm becomes differentiated and condensed into a spherical or oval mass (very rarely cylindrical).

From Project Gutenberg

Endogenous Structures, in botany, are those which arise in the interior of the parent organ.

From Project Gutenberg

Certain it is that if Federation is to be brought about, the movement must be endogenous.

From Project Gutenberg

In animals, he says, the endogenous method is rare, and the customary origin is in an external blastema.

From Project Gutenberg

Corroborative observations on endogenous formation were also given by his brother, Harry Goodsir, in 1845.

From Project Gutenberg

Related Words

• internal
• remote