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目的通过对人口角轴的组织学观察及其三维模型的建立,进一步探讨其性质及组织学结构。方法取2例(共4侧)成人尸头口角旁全层组织,石蜡包埋、切片,Verhoeff碘-苏木素染色,光镜下观察。将其中的1侧标本利用Winsurf三维重建软件完成组织学口角轴的三维模型建立。结果可见部分颊肌、口轮匝肌、提口角肌、降口角肌、颈阔肌口角轴部、颧大肌、笑肌的纤维在口角旁相互交织,且交织的部位胶原纤维明显增多,中间夹杂着弹性纤维,即组织学口角轴。组织学口角轴厚度为2.52mm,尖部形态呈不规则的类椭圆形。通过对三维重建模型的测量可知,组织学口角轴尖部中心点距口角的距离为11.96mm,体积为84.10mm3;组织学口角轴尖部的周长为27.13mm,面积为18.41mm2;组织学口角轴基底的周长为33.39mm,面积为28.86mm2。结论相对于大体的口角轴概念,本实验提出了在显微镜下的组织学口角轴概念,建立了三维空间可视模型,并提供了相应的测量数据。
Objective To further explore the nature and histological structure through the histological observation of population axis and the establishment of three-dimensional model. Methods Totally 2 cases (4 sides) of adult cadaveric head full of paraffin tissue, paraffin embedded, sectioned, Verhoeff iodine-hematoxylin staining, light microscopy. One of the specimens was used to establish the three-dimensional model of histological mandrel using Winsurf three-dimensional reconstruction software. The results showed that part of the cheek muscles, orbicularis oris, the orofacial muscle, the hypothalamic muscle, the platofacial angle axis, the zygomatic muscle, the muscle fibers were interwoven next to the mouth, and interwoven with collagen fibers increased significantly, the middle Mixed with elastic fibers, namely histological mouth angle axis. Tissue angle mouth thickness of 2.52mm, the tip shape was irregular oval-like. Through the measurement of three-dimensional reconstruction model shows that histological mouth angle center distance from the mouth angle of 11.96mm, the volume of 84.10mm3; histological mouth angle tip circumference of 27.13mm, an area of 18.41mm2; histology The circumference of the girth axis base is 33.39 mm with an area of 28.86 mm2. Conclusions Compared with the general concept of gonio-axis, this study proposed the concept of histological gonio-axis under microscope and established a three-dimensional visual model and provided the corresponding measurement data.