病びょう巣そう

noun, noun which may take the genitive case particle 'no'

focus; nidus; lesion

Medical term for a localized area of disease, such as a tumor, infection, or abnormal tissue. Used both as a noun and adjectivally with の.

• CT検けん査さで肺はいに小ちいさな病びょう巣そうが見みつかった。

  A small lesion was found in the lung on the CT scan.

• この薬くすりは病びょう巣そうに直ちょく接せつ作さ用ようする。

  This medicine acts directly on the focus of the disease.