group of helminths black background 3d

3drendering ache albendazole alimentary animal anisakiasis anisakis ascariasis ascarid ascaris autoscope background body boy camera child diarrhea digestive disease dog duodenum endoscope exam expression face fiberscope fish food gastric gastritis gastro gastrocamera gastrointestinal gastroscopy gut helminth herring human intestinal isolated nematode parasite parasitic roundworm tapeworm white worm