手术或创伤后的恢复,总避不开痂的问题。那么,什么是痂呢?痂是伤口坏死组织、渗液或分泌物自然凝结在伤口表面或周围形成的一层被盖物,是创面和外部环境间的一道天然屏障。痂有很多种形式和形成方式。血液从创面或针眼渗出来,干结后覆于伤口,聚集于线旁,成为一层褐色的壳,这是痂;一块撕裂的皮肤慢慢干瘪,死去,形成一副黑色的盔甲,这是痂;愈合后的切口,上面盖着灰黑色的硬壳,如卧蚕,如伏虱,这是痂;长期不愈的伤口,脓 Surgery or trauma recovery, the total can not avoid the problem of scab. So, what is the scab? Scab is a natural layer of cover formed by wound necrosis, natural exudate or secretions formed on or around the wound surface, a natural barrier between the wound and the external environment. There are many forms and forms of scabs. The blood exudes from the wound or the eye of the eye, dries and covers the wound, gathers beside the line and becomes a brown shell, which is a scab. A torn skin slowly shriveles and dies, forming a black armor. Is the scab; healing incision, covered with gray-black hard shell, such as lying silkworm, such as the louse, which is the scab; long-term healing wounds, pus