A species of long thin parasite which infests the intestines.
A genus of parasitic flagellate protozoans that move by means of a wavy membrane, bearing a single flagellum, projecting from the body surface. T. vaginalis often infects the vagina, where it may cause severe irritation and a foul-smelling discharge, and sometimes also the male urethra; it can be transmitted during sexual intercourse. ‘Metronidazole is used in treatment. T. hominis and T. tenax, which live in the large intestine and mouth respectively, are not believed to cause disease.
Trichomonas is a sexually transmitted infection caused by a microscopic parasite. It causes vaginal itching and a foul-smelling cheesy discharge.
A group of single-celled organisms with hair-like structures, belonging to the simplest forms of life.