(of a parasite or symbiont) living within the tissues of a host. / (medicine) Originating within an organ or biological system.

(medicine) An endogenous substance that influences the functioning of an organ or biological process.

(physiology) A control system of ductless glands that secrete hormones which circulate via the bloodstream to affect cells within specific organs.

(ecology) Any organism that lives within the body or cells of another organism

plural of endobiont

plural of endocrine gland

A section of a species' genome that closely resembles retrovirus genetic material, acquired through long-ago infection.

plural of endogenous retrovirus

Etymologically incorrect rare spelling of thrombendarteriectomy.

Any endophytic bacterium