The lateral nasal and columellar arteries then meet over the dorsal region, forming an alar arcade that runs along the cephalic margin of the lateral crura.

 
  • 侧鼻动脉和鼻小柱动脉在鼻背区域汇合,形成沿外侧脚头侧缘走行的鼻翼弓。
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