| Noun | 1. | genus Treponema - type genus of Treponemataceae: anaerobic spirochetes with an undulating rigid body; parasitic in warm-blooded animals bacteria genus - a genus of bacteria family Treponemataceae, Treponemataceae - small spirochetes some parasitic or pathogenic treponema - spirochete that causes disease in humans (e.g. syphilis and yaws) |