An inflamed,tender swelling of a lymph node,especially in the area of the armpit or groin,that is characteristic of certain infections,such as plague and syphilis.

• 腹股沟淋巴结炎，淋巴结的感染了的小肿块，尤指在腋窝和腹股沟处；是鼠疫和梅毒感染的症状。