miracidium of Megalodiscus temperatus showing the excretory ducts (ED) of the
flame cells. The nuclei of the cells from which the ducts are constructed
are seen as well (AN). This photo was taken of a live miracidium using
phase contrast microscopy. 1000x
miracidium of Megalodiscus temperatus revealing one of the flame cells (FC) and
the excretory duct (ED) leading from it. The nuclei of the ducts (AN) can
also be seen. The secretory sac (SS) and a cluster of nuclei (LN) are
apparent. 1000x