| entozoan | (adj) of or relating to entozoa, Syn. endozoan |
| endoparasite | (n) any of various parasites that live in the internal organs of animals (especially intestinal worms), Syn. entozoon, entoparasite, entozoan, endozoan |
| entozoic | (adj) living within a living animal usually as a parasite, Syn. entozoan, endozoic, Ant. epizoic |