echinococcal cyst under the microscope 400x. echinococcus granulosus. dog tapeworm parasite

carnivores cells cylology cyst cystic cysts disease dog dogs echinococcal echinococcosis echinococcus granulosus histological histology host hosts hydatid hyper intermediate macro magnification magnified medical medicine microscope microscopic parasite parasites parasitological parasitology stained tape tapeworm ungulates worm