Royalty free and rights managed images of tapeworms. Adult tapeworms are parasites that inhabit the intestines of animals and humans. Different species of tapeworms have different animals as their intermediate and final hosts. The tapeworm does not possess a digestive tract and so absorbs nutrients from the half-digested food of its host through its skin. Pictures and photographs include clinical and diagnostic images, treatments, illustrations (including life cycle diagrams), light micrographs, and scanning electron micrographs (SEMs).