Category: T
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Trichoglossia
Hairiness of the tongue, due to the growth of fungal organisms infecting its surface. An overgrowth of the papillae on the tongue, giving it a furry appearance, also referred to as hairy tongue.
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Trichloracetic acid
An astringent used in solution for a variety of skin conditions. It is also applied topically to produce sloughing, especially for the removal of warts.
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Triaziquone
A drug used in the treatment of various forms of cancer and administered by mouth, injection, or directly into the tumor. It has toxic actions on normal tissues, particularly the bone marrow; other side-effects include nausea, vomiting, loss of hair, and skin reactions.
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Triatoma
A genus of bloodsucking bugs. T. infestans is important in transmitting ‘Chagas’ disease in Argentina, Uruguay, and Chile. A genus of bloodsucking insects belonging to the order Hemiptera, family Reduviidae; commonly called cone-nosed bugs or assassin bugs. It includes the species T. bra ziliensis, T. dimidiata, T. infestans, T. protracta, T. recuva, and T. rubida.…
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Trapezoid bone
A bone of the wrist. It articulates with the second metatarsal bone in front, with the scaphoid bone behind, and with the trapezium and capitate bones on either side. The second bone in the distal row of carpal bones. It lies between the trapezium and capitate bones.
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Transvestitism
The condition in which sexual pleasure is obtained by dressing in the clothes of the opposite sex. It may occur in both heterosexual and homosexual people and may be directly related to masturbatory or other sexual behavior. Treatment may be by behavioral techniques, such as aversion therapy, but is not always needed. Transvestitism, or transvestism.…
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Transmethylation
The process whereby an amino acid donates its terminal methyl (-CH3) group for methylation of other compounds. Methionine is the principal methyl donor in the body and the donated methyl group may subsequently be involved in the synthesis of such compounds as choline or creatinine or in detoxification processes. The process in the metabolism of…
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Toxoplasma
A genus of crescent-shaped sporozoans that live as parasites within the cells of various tissues and organs of vertebrate animals, especially birds and mammals, and complete their life cycle in a single host. T. gondii infects sheep, cattle, dogs, and man, sometimes provoking an acute illness
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Toxocara
A genus of large nematode worms that are intestinal parasites of vertebrates. T. canis and T. cati, the common roundworms of dogs and cats respectively, have life cycles similar to that of the human roundworm, Ascaris lumbricoides.
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Tow
The teased-out short fibers of flax, hemp or jute, used in swabs for cleaning, in packs or stupes for the application of poultices, and for a variety of other purposes.