pso.ra.len
n.（名词）Any of a group of chemical compounds found naturally in certain plants that are used in the treatment of psoriasis and vitiligo.补骨脂素：任一种在某些植物上天然存在的一组化合物，可用于治疗牛皮癣和白斑病
来源：From New Latin Psôralea [plant genus] 源自 现代拉丁语 Psôralea [植物属] from Greek psôralea [neuter pl. of] psôraleos [mangy (from the appearance of the plants` leaves)] 源自 希腊语 psôralea [] psôraleos的中性复数 [疥癣的（从植物叶子的外表而来）] from psôra [itch] 源自 psôra [发痒]
