Ключевые слова: animal, ascariasis, ascaris, biology, blood, caecum, cestode, colon, digestive, disease, egg, fluke, helminth, hookworm, human, human whip worm, hygiene, illness, infection, internal, intestinal, intestine, intestines, larva, liver, medical, medicine, microscope, microscopy, mucosa, nematode, parasite, parasitic, research, round, roundworm, roundworms, schistosomiasis, science, taenia, tapeworm, trematoda, trichiura, trichocephalus trichiuris, trichuridae, trichuris, trichuris trichiura, whipworm, worm, zoology,