Ключевые слова: animal, ascarids, biology, cats, control of roundworms, cultivation, detail, diagnosis, doctor, education, eggs, feline, healthcare, helminth, hospital, human, in vitro, increase, inverted microscope, larvae, life, life cycle, macro, medicinal, medicine, microscope, microscopy, nematoda, nematodes, parasite, parasitic disease, parasitology, photomicrograph, research, roundworms, science, spirurida, symptoms, toxocara, toxocara cati, toxocara mystax, toxocariasis, toxocaridae, training, transmission, treatment, vet, veterinary, worm, zoonoses,