PATHOLOGY

Detailed explanation-1: -adj. originating outside the body, referring, for example, to drugs (exogenous chemicals) or to phenomena, conditions, or disorders resulting from the influence of external factors.

Detailed explanation-2: -Endogenous means caused by factors or produced inside an organism or cell. 1 An endogenous human substance, therefore, is a substance that originates within the human body. Endogenous is the opposite of exogenous, which means originating outside a living organism.

Detailed explanation-3: -: introduced from or produced outside the organism or system. specifically : not synthesized within the organism or system.

Detailed explanation-4: -Produced inside an organism or cell. The opposite is external (exogenous) production.