“primitive cardiovascular system”的概念、定义、翻译、参考文献-科学参考

单词	primitive cardiovascular system
释义	primitive cardiovascular system Encyclopedia 医学心血管系统的发生释 primitive cardiovascular system原始心血管系统人胚第3～5周，胚体内逐渐形成心管、动脉和静脉，构成卵黄循环、脐循环和胚体循环组成的系统。
随便看	autotetraploidy autothrottle system autotopism autotoxicity autotracker auto-transformer autotransformer auto-transformer starter autotransfusion/autologous blood transfusion autotroph auto trophic aquaculture system autotrophic plant autotrophic succession autotrophy autotrophyte autotropic autotropism autotune autotype autovariance auto-vectorization autovibration autovibration, self-excited oscillation auto vulcanization auto-vulcanization

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