眶下孔：位于眶下缘(infraorbital margin) 中点下方1cm 处，眶下血管和神经从此穿出。此处是眶下N （上颌N 分支）阻滞 麻醉点。
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... 眶下线 infra-orbital line 眶下缘 infraorbital margin; margo infraorbitalis 垂唇，口下板(昆虫) hypostome ...
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目的：探讨眶底和眶下缘骨折的手术进路。
Objective:To study the surgical approach to the orbital floor and infraorbital rim.
眶底骨折的患者往往有面部外伤的病史，表现为眶周水肿和淤血，且眶下缘有触痛。
Patients with orbital floor fractures present after facial trauma with periorbital edema and ecchymosis associated with tenderness to palpation along the inferior orbital rim.
目的研究外耳门中点与眶下缘最低点的连线(简称眶听线)作为扫描基线对获得AC - PC平面的临床价值。
Objective to study the line from infraorbital edge to external acoustic meatus as a scanning baseline in the location of AC-PC plane.
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