entozoic

from WordNet (r) 3.0 (2006)

entozoic
    adj 1: living within a living animal usually as a parasite;
           "entozoic worms" [syn: {entozoic}, {entozoan},
           {endozoic}] [ant: {epizoic}]

from The Collaborative International Dictionary of English v.0.48

Entozoal \En`to*zo"al\, Entozoic \En`to*zo"ic\, a. (Zo["o]l.)
   Pertaining to, or consisting of, the Entozoa.
   [1913 Webster]

[email protected]