The main pulmonary arteries are derived from the sixth aortic arch during intrauterine development.
The main pulmonary arteries are derived from the sixth aortic arch during intrauterine development.
摘要肺主动脉是在胎儿时期时由第六对主动脉弓衍生而来。
The main pulmonary arteries are derived from the sixth aortic arch during intrauterine development.
摘要肺主动脉是在胎儿时期时由第六对主动脉弓衍生而来。