title: Gonadogenesis in embryos of two tortoise species, Emys orbicularis L. and Testudo graeca L., at different temperatures.
mesh_terms: D000818:Animals; D005260:Female; D006066:Gonads / Q000196:embryology*; D008297:Male; D010063:Ovum; D012732:Sex Determination Analysis; D013696:Temperature; D014426:Turtles / Q000196:embryology*