Abstract

Eimeria s. l. sp. infecting gut epithelium of the geckoes Hemidactylus turcicus from Israel and H. mabouia from South Africa developed at the microvillar border of gut epithelial cell. Infected portion of the host cell, containing the parasite enclosed in a parasitophorous envelope, bulged above the epithelial layer into the intestinal lumen. The envelope was formed by merging of the host cell wall and the parasitophorous vacuole membrane. Meront and gamont stages conformed ultrastructurally with those of eimerian coccidia of mammalian and avian hosts. In the process of wall formation appeared five membranes derived from the oocyst wall, which supported the formation of an outer and inner oocyst wall.

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