The angle towards superior direction between chorda tympani nerve and verical segment of FN was 8. .99 (8.-.) . The distance between stylomastoid foramen and the point from which chorda tympani nerve departed FN was .99 0.7 (.0-7.90) mm.
The angle towards superior direction between chorda tympani nerve and verical segment of FN was 8. .99 (8.-.) . The distance between stylomastoid foramen and the point from which chorda tympani nerve departed FN was .99 0.7 (.0-7.90) mm.
鼓索神经与FN垂直段的向上的夹角为 8.±.99(8.-.)°，鼓索神经自FN发出点至茎乳孔的距离为.99±0.7(.0-7.90)mm。