Ключевые слова: anatomy, animal, ascariasis, ascaris, biology, bowel, closeup, colon, design, diagram, disease, dog, health, helminth, human, illness, illustration, infection, infestation, insect, internal, intestinal, intestine, isolated, larva, medical, medicine, nature, parasite, parasitic, pet, pinworm, poster, pupil, research, round, roundworm, scheme, science, sign, small, symbol, tapeworm, tract, veterinarian, veterinary, whipworm, wildlife, worm,