The blood supply of normal upper lip was mainly came from superior labial artery. The inferior alar arteries,post septal arteries and branches of anterior ethmoidal artery were also found to supply the upper lip.

• 正常上唇的血供主要来源于上唇动脉及其分支 ,还可见鼻翼下缘动脉、鼻中隔后动脉和筛前动脉的分支。