“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	hard zone hard γ-rays hare Hare method harem system in ancient China Haresh Sharma Haret Harewood House Garden Hare’s study on psychopath commitment of crime Hargeisa Provincial Museum Hargeysa Har Gobind Khorana Harijadi Suleman Hartowardojo Haris Harish Harish-Chandra Harish-Chandra (1923-1983) Harker, Alfred Harker line Harkins rule Harkness Harlan Barrows Harlan crater Harlem Renaissance Harlequinade Opera

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