ascaris megalocephala cross section under the microscope showing an ovary - optical microscope x200 magnification

anatomy ancylostoma ascariasis ascarid ascaris cells cross cuticle cytology disease egg female fertilization flatworm histology infection intestine intestines lumbricoides magnification megalocephala mesodermal microbiology microphotograph microscope mitosis nematode oocyte optical ovaries ovary oviduct ovum parasite parasitic parasitology photomicrograph pseudoceloma pseudocoelom roundworm section showing uterus worm worms x200