Borrelia burgdorferi and Treponema pallidum: a comparison of functional genomics, environmental adaptations, and pathogenic mechanisms
J. Clin. Invest. Stephen F. Porcella, et al. 107:651
doi:10.1172/JCI12484 [Go to this article.]

Figure 1
T. pallidum associated with the surface of a human lymphocyte. The scanning electron microscopic image demonstrates the wave-form structure characteristic of spirochetes.