Human fetal testis: second trimester proliferative and steroidogenic capacities.


The period of Leydig cell hyperplasia (14-18 weeks gestation) in human fetal testis is crucial for normal gonad development. We have studied the spatio-temporal distribution of key developmental and functional markers in human fetal testis between 13-19 weeks gestation. Proliferating cell nuclear antigen-positive cells were immunolocalized to both… (More)


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