[Recapitulation of the structure and behavior of ancestral forms in the embryogenesis of the stingray].
D000818:Animals; D005075:Biological Evolution; D005314:Embryonic and Fetal Development; D005399:Fishes; D012754:Sharks
Rekapituliatsiia stroeniia i povedeniia antsestral'nykh form v émbriogeneze skata khvostokola.