Webjul 11, 2017 · syphilis is an infectious venereal disease caused by the spirochete treponema pallidum. Syphilis is transmissible by sexual contact with infectious lesions,. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Webmar 3, 2014 · syphilis is a sexually transmitted disease caused by treponema pallidum, a bacterium classified under spirochaets phylum, spirochaetales order, spirochaetaceae. Webstudy with quizlet and memorize flashcards containing terms like syphilis ?, transmission?, signs and symptoms of syphilis ? Webstudy with quizlet and memorize flashcards containing terms like describe the cause…