trep·o·ne·ma /ˌtrɛpəˈnimə/ 密螺旋體
trep·o·ne·ma /ˌtrɛpəˈnɪmə/ 名詞 密螺旋體屬,梅毒螺旋體
treponema n : spirochete that causes disease in humans (e.g. syphilis and yaws) [also: treponemata (pl)]