单选题
发布日期:2020-08-20
皮肤、黏膜充血
黏膜丘疹
口角湿白
口角皲裂
口角糜烂
口裂两侧,上、下唇结合处为口角。为上下唇两侧方的联合处。其位置约相当于尖牙与第一前磨牙之间,为多个面部表情肌会聚之处。当两眼平视前方,口角位于两侧瞳孔往下延伸的垂直线上。
黏膜是生物体(口腔、器官、胃、肠、尿道等器官里面)中由上皮组织和结缔组织构成的一种膜状结构。
丘疹(papule)为一局限性隆起皮肤表面的实质性损害,可能是代谢产物的沉积、表皮或真皮细胞成分的局限性增殖,或真皮局限性细胞浸润形成。丘疹在人体皮肤的各个部位都有可能发生,是皮肤病的最基本的皮损类型,见于多种不同的疾病。
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