(Greek: within, inside, inner; used as a prefix [used in many words related to anatomy and biology])
entognathous (adjective), more entognathous, most entognathous
A reference to insects that have mouthparts with recessed mandibles and maxillae concealed by lateral folds on the head.
Any of various parasites that live in the internal organs of animals (especially intestinal worms)
A parasite, such as a tapeworm, that lives within another organism.