Testicular Anatomy. Sertoli cell nucleus Gonadal Differentiation cortical medullary.

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Presentation transcript:

Testicular Anatomy

Sertoli cell nucleus

Gonadal Differentiation cortical medullary

Mullerian and Wolffian Duct Systems cervix

External Genitalia

Brain Differentiation testis testosterone TETE BRAIN What does testosterone do developmentally? Tonic secretion of GnRH in puberty

Summary Undifferentiated gonad Y-chromosome: SRY  TDF Embryonic Testis Sertoli cells Leydig cells MIFMullerian duct regression testosterone Wollfian duct DHT Masculinization of external genitalia estrogen Masculinization of the brain

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