egg whipworm. trichuris. infographics. on background.

acanthocephala analyzing ascaris cestode disease dna egg exam experiment fecal feces fluke helminth helminthology histology infection laboratory larva liver medical micro microbiology microscope microscopy parasite parasitism patient pinworm protozoa research roundworm schistosomiasis science scientific stool taenia tapeworm technology test tissue trematoda trichinosis trichiura trichuliasis trichuriasis trichuris vector whipworm worm