Definition of trichomonas
Origin and Etymology of trichomonas
First Known Use: 1917
Medical Definition of trichomonas
1 capitalized : a genus (the type of the family Trichomonadidae) of polymastigote parasitic flagellated protozoans that have four anterior flagella and another at the margin of an undulating membrane or in some classifications also include forms with three or five anterior flagella and that are parasites of the digestive or genitourinary tracts of numerous vertebrate and invertebrate hosts including one (T. vaginalis) causing human vaginitis
2: a protozoan of the genus Trichomonas
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