Assertion: testis's germ cell | /r/CapableOf | arrive at genital ridge
Facets:
Source sentences:
text: Human germ cells arrive at genital ridge at week 5, and sexual differentiation completes between week 6 and week 9.20
text: It is during the period 10–11 days post coitum, when the germ cells are arriving at the genital ridge, that Sry, the sex-determining gene on the Y chromosome, is expressed in supporting cells (and only in supporting cells) to direct them to differentiate as Sertoli cells.