冬季来临,不少人皮肤粗糙纹裂,以手脚最易发生。皲裂后由于疾痛而影响工作和劳动。这是什么原因呢? 正常人体的皮肤组织结构致密,分为表皮、真皮及皮下组织。表皮在真皮之外。表皮的最外边的一层叫角质层,角质层是人在劳动中最常磨擦受力的部位,容易增厚而形成老茧,表皮有丰富的痛觉神经末梢,没有血管,依靠真皮层供应营养。真皮层富有胶原纤维和弹力纤维,具有韧性和弹性,有丰富的血管和淋巴管,以及触、湍、冷、压觉小体,并有汗腺、毛囊、皮脂腺,具有感受刺激、保护深部组织、调节体温、排泄废物等功能。汗液的主要成分是水,能使皮肤酸化、软 Winter approaching, many people rough skin cracks, the most prone to hands and feet. After chapped due to pain and affect work and work. What is the reason? Normal human skin tissue structure is dense, divided into the epidermis, dermis and subcutaneous tissue. The epidermis is outside the dermis. The outermost layer of the epidermis called the stratum corneum, the stratum corneum is the most common part of the labor in the friction force, easy to thickened and the formation of calluses, the epidermis is rich in pain nerve endings, no blood vessels, rely on the dermis supply of nutrients. Dermis is rich in collagen fibers and elastic fibers, with toughness and elasticity, rich in blood vessels and lymphatic vessels, as well as touch, turbulent, cold, pressure body, and sweat glands, hair follicles, sebaceous glands, with stimulation to protect the deep tissue, Regulate body temperature, waste discharge and other functions. The main component of sweat is water, can make the skin acid and soft