infection of the heart and related blood vessels by the syphilis bacteria

anatomy artery biology epidemic health helix illness inside microbiology microscope pathogen red research science treponema pallidum vein three dimensional cardiovascular system blood cell biological micro organism flagellum internal organ heart shape transmission sexually transmitted disease magnification scientific experiment vessel scattered healthcare medicine infectious spiral bacterium sex reproduction sickness spirochaetales spirochetal spirochetes std syphilis microorganism 3d rendering anatomy artery bacteria biology cardiovascular cells disease epidemic erythrocyte experiment flagella health heart helix human illness infection medical microbe microbiology microorganism microscope microscopic organ organism pallidum pathogen pathogenic red research science scientific sexual sexually sickness spiral-shaped spirochaetales spirochetal spirochetes std syphilis transmitted treponema vein