[名词解释] 瘢痕(scar)

糜烂(erosion) 痂(crust) 结膜炎最常见的症状是() ["A．疼痛","B．畏光","C．流泪","D．发痒","E．异物感"] 滤泡形成主要是由于() ["A．结膜上皮过度增生或多形核白细胞浸润","B．多形核白细胞浸润和淋巴细胞局限性集聚","C．结膜上皮过度增生和淋巴细胞增殖","D．多形核白细胞浸润和淋巴细胞增殖","E．淋巴细胞增殖"] 浸渍（maceration） 瘢痕(scar)