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Glossary

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T

  • thermal cycler

    A machine used for copying parts of DNA via the process of Polymerase Chain Reaction (PCR).

  • thermocouple

    Device that can generate an electrical current proportional to the amount of heat to which it is exposed. Thermocouples are a widely used temperature sensor in electrical engineering and industry.

  • thermometer

    Instruments for measuring temperature by utilizing the variation of the physical properties of substances according to their thermal states..

  • thermopile

    An instrument of extreme sensibility, used to determine slight differences and degrees of heat

  • Thomas splint

    A splint used to immobilise leg fractures to allow healing. It has a ring at the hip connecting to a cross-piece at the foot.

  • thorn

    A modified plant organ, especially a stem, that is stiffened and terminates in a sharp point. Has been used historically for medicinal purposes such as variolation or vaccination

  • throat swab

    a wad of absorbent material usually wound around one end of a small stick and used for applying medication or for removing material from an area

  • thrush

    A yeast infection that affects the mouth, gut and vagina. Usual symptoms include redness, soreness and itching.

  • tic douloureux

    A stabbing pain in the forehead, nose, and scalp, caused by a disorder of the trigeminal nerve (a major nerve in the face).

  • tin - can

    Can made of tin plated metal, usual iron or steel.

  • tincture

    A solution of a medical substance (often a herb or natural plant material) in alcohol. Tinctures were commonly used as alternative medicines in the 1800s.

  • tine test

    a tuberculin test in which a disk with several tines bearing tuberculin antigen is used to puncture the skin; development of a hard red area indicates past or present exposure to tubercle bacilli and the need for further testing

  • tireford

    used in trephination

  • tobacco box

    Small box used for carrying smoking or chewing tobacco, especially those with unattached fitted covers. For similar box having a hinged lid instead of an unattached, fitted cover, use "snuffbox."

  • tobacconist

    A person who deals in tobacco and smoking supplies.

  • toilet accessory

    Piece of equipment that is associated with the toilet or personal hygiene routine such as toothbrushes, hairbrushes, combs etc

  • token

    Designates a substitute for money that move within a limited universe, usually not in general circulation, that may be exchanged for particular goods or services, and are made from hard substances whose intrinsic value is always less than the stated value. The best known example, the trade tokens of Strachan and Company, were issued in South Africa in 1874 and are today recognised as that country's first widely circulating indigenous currency.

  • tomography

    Type of radiography which uses a rotating detector and source of radiation to gain an image of a cross-section of the body. Device is called a tomograph and the end result is called a tomogram.

  • tongs

    Any of numerous devices used for taking hold of objects, consisting commonly of two metal pieces that are joined at one end or near one end by a pivot or spring, forming the two jaws which are used for gripping.

  • tongue √©craseur

    Instrument used for tongue excision (removal by cutting)

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