dorsal aorta中文什么意思

背大动脉

背主动脉

脊主动脉

• dorsal:    n. ＝ dossal.
• aorta:    n. (pl. -tae ) 【解剖 ...
• dorsal aorta (aorta dorsalis):    背主动脉

百科释义

Each primitive aorta receives anteriorly a vein?the vitelline vein?from the yolk-sac, and is prolonged backward on the lateral aspect of the notochord under the name of the dorsal aorta. The paired dorsal aortae arise from aortic arches that in turn arise from the aortic sac.