A.顴神經 B.腦膜中神經 C.蝶腭神經 D.腭神經 E.上牙槽后神經
A.145°~160° B.145°~165° C.145°~155° D.140°~160° E.140°~155°
A.面靜脈和下頜后靜脈的前支 B.面靜脈和下頜后靜脈的后支 C.面靜脈和耳后靜脈 D.面靜脈和顳淺靜脈 E.顳淺靜脈和上頜靜脈