Fig. 3 in Air sac trematodes: Morishitium polonicum as a newly identified cause of death in the common blackbird (Turdus merula)

Fig. 3. Morishitium polonicum from the air sacs of Turdus merula. A. Tongue-shaped specimen of M. polonicum. In the posterior part of the body are clearly visible the two large testes and the ovary lying between them. (scale bar = 200 μm). B. Anterior end of M. polonicum showing the eggs inside the uterus. (scale bar = 100 μm). C. Posterior end of M. polonicum showing two globular testes situated obliquely to each other, an intertesticular oval ovary placed in a longitudinal straight line with the testes, two caeca joined posteriorly and two symmetrical vitelline glands not confluent posteriorly. (scale bar = 300 μm). D. The oral sucker, the pharynx, the genital pore of M. polonicum in the anterior end (scale bar = 50 μm).