Category: T

  • Tridactyly

    The condition of having only three fingers or toes. A congenital abnormality in which there are only three digits on a hand or foot.  

  • Tricuspid

    Something which has three cusps, e.g. a tooth or leaf. Having three cusps or points. Possessing three cusps. Relating to the tricuspid valve, a heart valve located in the opening between the right atrium and the right ventricle.  

  • Trichuris

    A thin round parasitic worm which infests the caecum. A genus of parasitic worms of the class Nematoda.  

  • Trichuriasis

    An infestation of the intestine with whipworms. Infestation with the roundworm Trichuris trichiura, common in tropical areas, especially those with poor sanitation. Symptoms include diarrhea, nausea, and abdominal pain. An infestation of the large intestine by the whipworm, Trichuris trichiura; it occurs principally in humid tropical regions. Man acquires the infection by eating food contaminated…

  • Trichrome stain

    A stain in three colours used in histology.  

  • Trichromatism

    Vision which allows the difference between the three primary colours to be seen.  

  • Trichosis

    Any unusual condition of the hair. Any abnormal growth or disease of the hair. Any disease of the hair or its abnormal growth or development in an abnormal place.  

  • Trichophyton

    A fungus which affects the skin, hair and nails. A genus of fungi, parasitic to man, that frequently infect the skin, nails, and hair and cause favus and ringworm. A genus of parasitic fungi that lives in or on the skin or its appendages (hair and nails) and is the cause of various dermatomycoses and…

  • Trichomycosis

    A disease of the hair caused by a corynebacterium. Any hair disease caused by infection with a fungus. Any hair ailment resulting from a fungal parasite infection.  

  • Trichomonas

    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;…