In general, the angular artery originates the lateral nasal artery, which passes medially along the cephalic margin of the lateral crura and gives off caudal branches toward the nostril rim.

• 一般而言，内眦动脉起源于外鼻动脉，沿外侧脚头侧缘向内侧走行，并分出尾侧支供给鼻孔缘。