exudate

exudate
[ˈɛgzjʊdeɪt]
noun
  1. an exuded substance, in particular
    渗出物,尤指
    ■(Medicine)a mass of cells and fluid that has seeped out of blood vessels or an organ, especially in inflammation
    (医)脓液
    ■(Botany & Entomology)a substance secreted by a plant or insect
    (植,昆)(植物或昆虫的)分泌物,溢泌物,渗出物
语源
  1. late 19th cent.: from Latin exsudat- 'exuded', from the verb exsudare
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