“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	shaping the image of organization shaping unit Shapiro Shapiro cyclic sum constant Shapiro-Lopatinskiǐ condition Shapiro reaction Shapiro step Shapiro steps Shapiro-Wilk test Shapiro台阶 Shapley Shapley-Ames catalogue Shapley concentration Shapley model Shapley supercluster Shapley's value Shapley value Shapley vector Shapotou key water-control project Shapotou nature reserve Shapotou Qu Sha Qi Sha Qinglin Shaquille O’Neal Sharaf al-Din

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