Any of various parasites that live in the internal organs of animals (especially intestinal worms).

synonyms: endoparasite, endozoan, entoparasite, entozoon.

Dutch: endoparasiet, entozoön
Polish: endopasożyt, wnętrzniak

Of or relating to entozoa.

synonym: endozoan.

Living within a living animal usually as a parasite.

synonyms: endozoic, entozoic.