Entamoeba invadens from turtles or snakes. This section reveals the
nucleus with the faint endosome near the center and chromatin clumps inside the
nuclear membrane. 40,000x
E. invadens section through the nucleus, revealing unnamed granules. This
parasite of snakes and turtles can be grown in culture and remain active at room
temperature, making them a nice and safe study subject, rather than using
Entamoeba histolytica. 40,000x