develops from the medulla
testis
develops from the cortex
ovaries
Coelomic epithelial cells
granulosa and sertoli
mesenchymal stromal cells
theca and leydig
In males, the medulla forms
semineferous tubules and sertoli cells
In males, the cortex froms
leydig cells
at birth female oogonia are arrested at which stage
prophase 1
19 C sex steroid
androgens
18 C sex steroid
Estrogens
1-6 weeks gestation
genital ridges
6 weeks gestation
wolffian or mullerian duct regresses
9-10 weeks gestation
external genitalia differentiate