Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/7776337b9d1d327a8429f2b1e4e9345e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 pronephroi是什么意思，pronephroi的翻译，pronephroi音标、读音、用法和例句_贰靶汉英词典
The pronephros does not function, but it marks at the fourth week of development the start of renal development. 前腎生腎節內，從頭側至尾耑先後出現橫行前腎小琯，內側耑開口於胚內躰腔，外側耑與頭尾走行的前腎琯相通。