上睑弓
Arcus palpebralis superior
定义
内眦动脉共两支,分为上支与下支,起自眼动脉,位于上斜肌滑车的对侧;它们离开眶部,环绕眼睑近其游离缘处,形成下睑动脉弓与上睑动脉弓,位于眼轮匝肌与睑板之间。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).