Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/e9b1257608bc583bf0d55dde5488b9c0.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 pronephroi是什么意思，pronephroi的翻译，pronephroi音标、读音、用法和例句_歐米惠必应词典
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。