Assertion: testis's germ cell | /r/HasProperty | termed the genital ridge
Facets:
value: at this early, undifferentiated stage
type: TEMPORAL
Source sentences:
text: The first germ cells to reach their destination (termed at this early, undifferentiated stage ‘the genital ridge’) are met by nothing but a thin layer of mesenchymal cells interposed between the coelomic epithelium and the mesonephros; in some species (the sheep and monkey), the mesonephros functions as the embryonic kidney, but in the mouse it is not functional.