The Collaborative International Dictionary
                    Endoparasitic
                    
                        
                
                                                                    Endoparasite \En`do*par"a*site\, n. [Endo- + parasite.] (Zo["o]l.) Any parasite which lives in the internal organs of an animal, as the tapeworms, Trichina, etc.; -- opposed to ectoparasite. See Entozo["o]n. -- En`do*par`a*sit"ic, a. [1913 Webster] ||
Wiktionary
                    endoparasitic
                    
                        
                
                                                                    a. Of or pertaining to endoparasites.
WordNet
                    endoparasitic
                    
                        
                
                                                                    adj. of or relating to parasites that live in the internal organs of animals