Trichomonas vaginalis

**Semantic type:** Eukaryote

**Definition:** A species of flagellated protozoan parasite in the genus Trichomonas that resides in the genitourinary tract of both male and female humans, which are the only natural hosts. Transmission occurs through sexual intercourse, and results in trichomonal vaginitis in females or urethral infection in males.

**Synonyms:** - TRICHOMONAS VAGINALIS