cute cat and of helminths under microscope on carpet at home. parasites in animal

abdominal adorable animal ascariasis background banner body carpet cat circle cute design diarrhea disease dog domestic duodenum eat endoparasite food friend health helminth helminths home host illustration indoors infectious intestinal intestine invertebrate medical microscope nature nematode pain parasite parasites pet roundworm sanitation science system tapeworm trichina wildlife worm zoom