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  • tracheotomy

    A surgical procedure to make an opening directly into the windpipe.

  • tracheotomy set

    used to perform tracheotomy

  • traction apparatus

    Apparatus for use in traction - the application of a pulling force, especially as a means of counteracting the natural tension in the tissues surrounding a broken bone (see countertraction), to produce correct alignment of the fragments.

  • trade

    Refers to the willing exchange of goods. Also defined as the activity of buying, selling, or bartering commodities.

  • trade card

    Printed sheets, and later cards, bearing tradesmen's advertisements, often including an engraved illustration; produced from the 17th through the 19th century. Cards made later often included the name and address of a business concern and the name of its representative, and intended more for information than for advertising, use "business cards." For cards made later and distributed for advertisement, use "advertising cards," and for those made later and issued primarily to be collected, with or without advertisements on them, use "collecting cards."

  • Traditional Chinese Medicine

    Traditional Chinese Medicine (TCM) is a medical tradition originating in China, but now used worldwide. Treatments include herbal medicine, massage and acupuncture, which are combined to create a therapy tailored to the patient.

  • traditional medicine

    Used in the West for sets of health beliefs and practices that developed within the culture of a particular ethnic or geographic group of people, distinct from modern Western medicine. Commonly includes herbal and homeopathic remedies, religious or spiritual ritual, and an holistic approach to patients.

  • transistor

    An electrical device used to amplify electrical signals.

  • transplant

    Surgical operation to introduce organ or tissue from one person (the donor) to another (the recipient). It may also refer to the transfer of tissues from one part of a person's body to another part of the same person's body.

  • tray

    Open, variously shaped containers of wood, metal or other rigid material with a flat bottom and a low rim for holding, carrying, or exhibiting articles.

  • tremor

    An involuntary quivering or trembling.

  • trench foot

    A medical condition caused by the prolonged exposure of feet to water. Affected feet become numb and swollen. Untreated trench foot leads to gangrene and amputation.

  • trephination

    The removal of a circular piece of the top of the head. This is done using a sharp implement or circular saw, and was common in Neolithic times. It is thought that the aim was to release evil demons or spirits from the body in the hope this would cure the person of their illness.

  • trephination set

    Instrument set to perform trephination (Removal of a circular piece ("button") of cranium by a trephine)

  • trephine

    An instrument for trepanning, being an historical advancement on the trepan. It is a circular or cylindrical saw, with a handle like that of a gimlet, and a little sharp perforator called the center pin.

  • trial lenses

    A set of lenses that were used to diagnose problems with vision. Each lens is slightly different and would be held in front of the patients eye. Modern day opticians continue to use trial lenses.

  • trichinosis

    Trichinosis is an intestinal and tissue infection of humans and other mammals. Infection occurs through the consumption of infected meat (usually domestic pork) that carries the encysted larvae of T. Spiralis. Common symptoms include: diarrhoea, muscle pains, fever, dehydration and swelling around the eyes. Myocarditis (heart infection), pneumonitis (lung infection) and encephalitis (brain infection) can also occur in advanced cases.

  • trocar

    An examining instrument with a triangular point, used for exploring tissues or for inserting drainage tubes, as in drospy.

  • tropical disease

    Diseases that are unique to or common in tropical areas. They are often water- or insect-borne. Examples of tropical diseases include leprosy, malaria, sleeping sickness and yellow fever.

  • tropical medicine

    Tropical medicine is the branch of medicine that deals with health problems that are more widespread in tropical and subtropical regions.

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