“ductus arteriosus”的概念、定义、翻译、参考文献-科学参考

单词	ductus arteriosus
释义	ductus arteriosus Biology A channel that connects the pulmonary artery with the aorta in the mammalian fetus and therefore allows blood to bypass the inactive lungs of the fetus. Derived from the fifth aortic arch, it normally closes soon after birth.
随便看	ground ray ground-reflected wave ground reflection ground return ground roll ground squirrel ground state ground substance ground support ground surge ground term ground tissues ground track scalawag scale scaled distance scale effect scale height scalene scalene triangle scalenohedron scaler scales scale-up scaling

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