A small benign tumor derived from basal cells in the hair follicle. Trichoepithelioma may occur sporadically or as the cardinal feature of a uncommon genetic disorder called multiple familial trichoepithelioma characterized by the presence of many small tumors predominantly on the face, inherited in an autosomal dominant pattern. A trichoepithelioma can undergo malignant transformation into a basal cell carcinoma.
A single-celled protozoan parasite best known in medicine because one species causes vaginitis (vaginal inflammation). Infection with trichomonas (trichomoniasis) is the most common curable sexually transmitted disease (STD) in young sexually active women.) in young sexually active women. The species of trichomonas responsible for STD is Trichomonas vaginalis. The vagina is the most common site […]
Infection with trichomonas, in humans with Trichomonas vaginalis.
Compulsive hair pulling. An impulse control disorder characterized by the repeated urge to pull out scalp hair, eyelashes, eyebrows, or other body hair. Treatment may include cognitive-behavior therapy and medications.
Infection with the human whipworm, a nematode (roundworm) formally known as Trichuris trichiura. The third most common round worm of humans. Occurs worldwide, with infections more frequent in areas with tropical weather and poor sanitation practices, and among children. It is estimated that 800 million people are infected worldwide. Trichuriasis occurs in the southern United […]
- Trichuris trichiura
A nematode (roundworm) also called the human whipworm. The third most common round worm of humans. Occurs worldwide, with infections more frequent in areas with tropical weather and poor sanitation practices, and among children. It is estimated that 800 million people are infected worldwide. Trichuriasis (infection with Trichuris trichiura) occurs in the southern United States. […]