Abstract
Abstract The testes of Hemidactylus turcicus are composed of seminiferous tubules lined with continuous germinal epithelia in which multiple germ cell morphologies can be found during the active months of sperm development. Spermatogenesis is quiescent during September, with only spermatogonia A and spermatogonia B present in the seminiferous epithelia and minimal mitotic activity is observed. Recrudescence begins in October and the early stages of spermatogenesis progress through November. The onset of spermiation is observed in December and continues through August with the heaviest sperm release occurring in June and July. Multiple generations of late elongated spermatids are found in association with early mitotic and meiotic cells during the months of December–August. This temporal germ cell development strategy is similar to that described in other squamates and anamniotes and is different from the spatial development exhibited by birds and mammals, in which germ cell populations collectively progre...
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