Histological analysis of early gonadal development in three bird species reveals gonad asymmetry from the beginning of gonadal ridge formation and a similar course of sex differentiation

Abstract excerpt

The developing gonads constitute a valuable model for studying developmental mechanisms because the testes and ovaries, while originating from the same primordia, undergo two different patterns of development. So far, gonadal development among birds has been described in detail in chickens, but literature on the earliest stages of gonadogenesis is scarce. This study presents changes in the structure of the gonads...

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