A genus of parasitic protozoan flagellates that cause trichomoniasis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Any of various flagellated protozoans of the genus Trichomonas that are parasitic and inhabit the digestive and genitourinary tract of the host. Trichomonas vaginalis is a common cause of vaginal infections in humans.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.