Assertion: testis's germ cell | /r/HasProperty | spermatogonia
Facets:
Source sentences:
text: Germ cells (spermatogonia) in the developing testis in 12‐ to 16‐day juveniles were all similar in appearance to the oogonia at the earliest stage ( Okada & Yamamoto 1993).
text: All the components of the testis (tunica albuginea, fibrous septa, seminiferous tubules, straight tubules, rete testis, and Sertoli cells) develop from the genital ridge except primordial germ cells (spermatogonia), which develop from the wall of yolk sac and migrate secondarily into the genital ridge.