| tuberculin skin test | See: Mantoux test, Heaf test, tuberculin tine test (18 Nov 1997) |
|---|---|
| tuberculin test | <investigation> A test for previous infection with Mycobacterium tuberculosis. (09 Oct 1997) |
| tuberculin tine test | <investigation> In this test a small amount of tuberculosis antigen in injected into the skin (dermis). The skin is inspected later to see if a positive skin reaction has occurred. The presence of inflammation indicates that your body has been exposed to tuberculosis antigen at some point in your life. A chest X-ray will be taken to look for signs of TB if your tine test is positive. (27 Sep 1997) |
| purified protein derivative of tuberculin | Purified tuberculin containing the active protein fraction; the tuberculin from which it is prepared differs from tuberculin chiefly in that the bacteria are grown in a synthetic rather than in a broth medium. (05 Mar 2000) |
| tuberculin | <protein> A protein extracted from the tuberculosis bacteriumMycobacterium tuberculosis. It is used in tests to determine if aperson has been exposed to the bacteria and is in danger of coming down with the disease. (09 Oct 1997) |
| tuberculin-type hypersensitivity | A local or generalised response that begins 24 to 48 hours after exposure to an antigen. See: cell-mediated reaction. Synonym: contact hypersensitivity, delayed hypersensitivity, late reaction, tuberculin-type hypersensitivity. (05 Mar 2000) |
| Koch's original tuberculin | <protein> A protein extracted from the tuberculosis bacteriumMycobacterium tuberculosis. It is used in tests to determine if aperson has been exposed to the bacteria and is in danger of coming down with the disease. (09 Oct 1997) |
| percutaneous | <technique> Performed through the skin, as injection of radiopacque material in radiological examination or the removal of tissue for biopsy accomplished by a needle. Origin: L. Cutis = skin (18 Nov 1997) |
| percutaneous absorption | The absorption of drugs, allergens, and other substances through unbroken skin. Synonym: cutaneous absorption. (05 Mar 2000) |
| percutaneous cholangiography | Radiography of the biliary system after introduction of contrast medium by introducing a needle through the skin inferior to the right costal margin, and inserting it into the substance of the liver or into the gallbladder. (05 Mar 2000) |
| percutaneous nephrostomy | Drainage of the collecting system through a catheter inserted through the skin of the flank under fluoroscopic control, usually using the Seldinger technique. (05 Mar 2000) |
| percutaneous stimulation | Electrical stimulation of the peripheral nerves or spinal cord by the application of electrodes to the skin. (05 Mar 2000) |
| percutaneous transhepatic cholangiography | Contrast radiographic examination of biliary system performed by injection through a percutaneously placed needle inserted into an intrahepatic bile duct. (05 Mar 2000) |
| percutaneous transluminal angioplasty | An operation for enlarging a narrowed vascular lumen by inflating and withdrawing through the stenotic region a balloon on the tip of an angiographic catheter; may include positioning of an intravascular stent. (05 Mar 2000) |
| percutaneous transluminal coronary angioplasty | Percutaneous transluminal angioplasty of coronary artery or arteries. (05 Mar 2000) |