Trichomonas vaginalis is a parasitic Protozoa that causes trichomoniasis and sexually transmitted vaginitis

Trichomonas vaginalis is a parasitic Protozoa that causes trichomoniasis and sexually transmitted vaginitis. This microorganism possesses whip-like flagella which enable it to move around. The vegetative phase is called a trophozoite. SEM X1400 — Image by © Dr. Dennis Kunkel/Visuals Unlimited/Corbis