Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Treponema pallidum
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Treponema pallidum: The cause of syphilis, a worm-like, spiral-shaped bacterium called a spirochete that wiggles vigorously when viewed under a microscope.