Treponema Immobilization Test

**Definition:** Syphilis serodiagnosis employing as the antigen Treponema pallidum obtained from rabbit syphilis orchitis. Treponemes are kept alive for a few hours in a special medium. When syphilitic serum and complement are added and incubated, the treponemes are immobilized, i.e., stop moving.

**Tree numbers:** - E01.370.225.812.735.850.800 - E05.200.812.735.850.800 - E05.478.594.760.850.800