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本文为国人骨性眼眶系统测量与观察的一部分,前两部分曾就骨性眼眶的眶高,眶宽,眶深,眶指数以及骨性泪囊窝和鼻泪管的各项数值等进行度量。这次的内容为筛前孔,筛后孔至Dacryon点的距离,眶下孔至眶下缘的距离以及眶下管长度的测量等。这些孔管的位置常作耳鼻喉科,眼科或口腔科手术麻醉的标志,而国人在这方面的材料还很缺乏。张光炎于1953年曾报告过国人眶下孔的观察,并且例数不多,因此本文将这部分测量结果报导出来,以供临床医师和解剖学界参考。
This article is part of the measurement and observation of Chinese bony orbital system, the first two parts of the orbital bone orbital height, orbital width, orbital depth, orbital index, as well as the value of the various values of the bone dacryocystis and nasolacrimal duct . The contents of the screen before the hole, sieve hole to Dacryon point distance, the distance from the infraorbital foramen to the infraorbital margin and the measurement of the length of the infraorbital tube and so on. The location of these tubes is often used as a sign of otolaryngology, ophthalmology or dental surgery anesthesia, and people in this area is still a lack of material. In 1953, Zhang Guangyan once reported on the observation of the infraorbital foramen in China and there are not many cases. Therefore, this part of the paper reports the results of this measurement for the reference of clinicians and anatomical communities.