Trichomonas

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Trichomonas

 [trik″o-mo´nas]
a genus of flagellate protozoa parasitic in birds and mammals, including humans. T. ho´minis and T. te´nax are nonpathogenic species found in the human mouth and intestines. T. vagina´lis is found in the vagina and male genital tract and is the cause of trichomoniasis.
Schematic diagram of Trichomonas vaginalis. From Brunzel, 1994.

Trichomonas

(trik'ō-mō'nas, trik'ō-mon'as), Although the correct pronunciation of this word is trichom'onas, the pronunciation shown is more commonly heard in the U.S.
A genus of parasitic protozoan flagellates (subfamily Trichomonidinae, family Trichomonadidae) causing trichomoniasis in humans, other primates, and birds. Specificity is more marked for its precise microhabitat than for host species. The genus has been divided into several genera: Trichomonas, Pentatrichomonas, Tetratrichomonas, and Tritrichomonas.
[tricho- + G. monas, single (unit)]

Trichomonas

/Tricho·mo·nas/ (-mo´nas) a genus of flagellate protozoa. It includes T. ho´minis, a nonpathogenic human intestinal parasite, T. te´nax, a nonpathogenic species found in the human mouth, and T. vagina´lis, the cause of trichomoniasis.trichomo´nal

Trichomonas

[trik′əmon′əs]
a genus of flagellate protozoa that includes many species that are parasitic. Some live in the mouth of humans and are found around carious teeth. Other species are found in the vagina and urethra of women. They are a cause of trichomoniasis.

Trich·o·mo·nas

(trik'ō-mō'năs)
A genus of parasitic protozoan flagellates causing trichomoniasis.
[tricho- + G. monas, single (unit)]

Trichomonas

(trik?o'mo'nas) [? + monas, unit]
Genus of flagellate parasitic protozoa.

Trichomonas hominis

A benign trichomonad found in the large intestine.

Trichomonas tenax

A benign trichomonad that may be present in the mouth.
Enlarge picture
TRICHOMONAS VAGINALIS (arrow) AND BACTERIA IN VAGINAL SMEAR (×1000)

Trichomonas vaginalis

A species found in the vagina that produces discharge. T. vaginalis is fairly common in women, esp. during pregnancy or following vaginal surgery. It is sometimes found in the male urethra and may be transmitted through sexual intercourse. See: illustration; colpitis macularis

Symptoms

T. vaginalis causes persistent burning, redness, and itching of the vulvar tissue associated with a profuse vaginal discharge that may be frothy or malodorous or both. Occasionally, infection with T. vaginalis is asymptomatic.

Treatment

Metronidazole (Flagyl) is taken orally by the woman and her sexual partner. The drug is contraindicated during the first trimester of pregnancy because of potential damage to the developing fetus; clotrimazole vaginal suppositories provide symptomatic relief during the first 12 weeks of gestation.

CAUTION!

Alcohol should not be consumed during metronidazole therapy.

Trichomonas

a genus of parasitic protozoan occurring in the digestive and reproductive systems of humans and many other animals.

Trichomonas

a genus of flagellate protozoa parasitic in animals, birds, and in humans. Member of the family Trichomonadidae and characterized usually by the presence of a single flagellum.

Trichomonas caballi
found in the colon of horses.
Trichomonas canistomae
found in the mouth of dogs.
Trichomonas equi (syn. Trichomonas faecalis)
Trichomonas equibuccalis
found in the mouth of horses.
Trichomonas felistomae
found in the mouth of cats.
Trichomonas foetus
see tritrichomonasfoetus.
Trichomonas gallinae
found in the upper digestive tract of many birds but mostly in pigeon squabs where it causes avian trichomoniasis.
Trichomonas gallinarum
see tetratrichomonasgallinarum.
Trichomonas hominis
see pentatrichomonashominis.
Trichomonas intestinalis
see pentatrichomonashominis.
Trichomonas macacovaginae
found in the vagina of the rhesus monkey.
Trichomonas phasioni
causes diarrhea and dehydration of pheasant poults.
Trichomonas tenax
found in the mouth of monkeys and humans but has no pathogenic effect.
References in periodicals archive ?
Relationship of Trichomonas gallinae to the palatal-esophageal junction of ring doves (Streptopelia risoria) as revealed by scanning electron microscopy.
A survey of Trichomonas gallinae in pigeons in Guangdong Province of China.
Fine structure of the bird parasites Trichomonas gallinae and Tetratrichomonas gallinarum from cultures.
Trichomonas gallinae in budgerigars and columbid birds in Perth, Western Australia.
Trichomonas gallinae, Chlamydophila psittaci, and Salmonella spp.
High prevalence of Trichomonas gallinae in domestic pigeons (Columba livia domestica) in subtropical southern China African.
Prevalence and genotyping of Trichomonas gallinae in pigeons and birds of prey.
A survey of Colorado band tailed pigeons, mourning doves and wild common pigeons for Trichomonas gallinae.
Prevalence of Trichomonas gallinae form the upper digestive tract of the common pigeon, Columba livia in the Southern Brazilian State, Rio Grande Do Sul.
Scanning electron microscopy study of Trichomonas gallinae.
Trichomonas gallinae in wintering common wood pigeons Columba palumbus in Ibis, Spain.