颞骨筛区是乳突手术的重要标志之一,为积累国人体质形态资料,本文在库存的285个(570例)成人干颅标本上,对筛区作了观察,结果如下:一、筛区的显示程度筛区的显示程度可分为四种类型:(一)最显型:外耳道后上三角深陷,筛孔多而密集者154侧,占27.0%;(二)明显型:外耳道后上三角呈浅凹状,筛孔较多,但不及最显型者245侧,占43.0%; The temporal bone area is one of the most important signs of mastoid surgery. In order to accumulate data on the physique of people in China, we observed 285 samples (570 cases) of adult dry cranium on stock samples. The results are as follows: The degree of display screen area can be divided into four types: (a) the most obvious type: the posterior triangle after the deep auditory canal, the screen more and intensive side 154, accounting for 27.0%; (B) obvious type: external auditory canal The upper triangular was shallow concave, more mesh, but less than the most obvious side 245, accounting for 43.0%;