| 释义 |
沙眼shāyǎn眼的慢性传染病,病原体是一种病毒,症状是结膜上形成灰白色颗粒,逐渐形成瘢痕,刺激角膜,使角膜发生溃疡。{trachoma; chronic contagious eye disease caused by the Gram-negative bacterium Chlamydia trachomatis and characterized by formation of granules on the conjunctiva, gradually resulting in scars that irritate cornea and cause ulcers in it} |