Egg Roundworm Fertilized Structure 192389450

Tags: human art animal medical black egg exam patient test disease biology laboratory science analyzing research anatomy parasite stool worm digestive microscope microbiology parasitic advanced infection feces cleavage Microscopic intestine tapeworm microscopy intestinal hookworm pinworm ascaris lumbricoides helminth ascarid nematoda nematode roundworm medical technology whipworm ascariasis unfertilized ascaris lumbricoides soil worm