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皮肤覆盖于人体表面,皮肤占体重的16％,其面积成年人约2平方米左右.在人身上的不同位置,厚度不同,平均在1—4毫米之间. 表皮位于皮肤表面,由复层扁平上皮组成,手掌、足跟的表皮最厚,为0.8—1.4毫米,一般厚度在0.07—0.12毫米之间.外部压力以及其它一些因素,可使外角质层进一步增厚,胼胝和鸡眼都是足部压迫的结果. 真皮位于表皮深层,向下与皮下组织相连,手掌、足底的厚度约3毫米以上,眼睑等处
Skin covering the human body surface, the skin accounts for 16% of body weight, and its area of about 2 square meters of adults in different positions on the body, with different thickness, an average of 1-4 mm between the epidermis is located on the skin surface, Flat epithelium, palm, heel the thickest epidermis, 0.8-1.4 mm, the general thickness of 0.07-0.12 mm between the external pressure and other factors, the outer stratum corneum can be further thickening, callus and corns are The result of foot compression. The dermis is located deep in the epidermis, down with the subcutaneous tissue, palm, plantar thickness of about 3 mm above the eyelids