| SCR | Schick conversion rate; short consensus repeat; silicon-controlled rectifier; skin conductance respo... |
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| Schick | Bela, Austrian paediatrician in U.S., 1877-1967. See: Schick method, Schick test, Schick test toxin. (05 Mar 2000) |
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| Schick method | A test for susceptibility to Corynebacterium diphtheriae toxin: 0.1 ml of Schick test toxin is injected into the skin of one forearm (test site) and the same quantity of the same, but heat-inactivated, material into the skin of the other forearm (control site); individuals with toxin-neutralizing antibodies either will have no reaction at either injection site (negative test) or may have a pseudoreaction due to antibodies for substances (antigens) in the test materials other than diphtheria toxin; individuals lacking toxin-neutralizing antibodies may have a positive reaction, which consists of an area of redness appearing 24 to 36 hours at the test site only and persisting for 4 to 5 days. Synonym: Schick method. (05 Mar 2000) |
| Schick test | A test for susceptibility to Corynebacterium diphtheriae toxin: 0.1 ml of Schick test toxin is injected into the skin of one forearm (test site) and the same quantity of the same, but heat-inactivated, material into the skin of the other forearm (control site); individuals with toxin-neutralizing antibodies either will have no reaction at either injection site (negative test) or may have a pseudoreaction due to antibodies for substances (antigens) in the test materials other than diphtheria toxin; individuals lacking toxin-neutralizing antibodies may have a positive reaction, which consists of an area of redness appearing 24 to 36 hours at the test site only and persisting for 4 to 5 days. Synonym: Schick method. (05 Mar 2000) |
| Schick test toxin | Corynebacterium diphtheriae toxin diluted so that the inoculated dose (0.1 or 0.2 ml) will contain 1/50 th of guinea pig minimal lethal dose. See: Schick test. Synonym: diagnostic diphtheria toxin. (05 Mar 2000) |
| Schick test |
a skin test for immunity to diphtheria
Ãâó: wordnet.princeton.edu/perl/webwn
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| Schick's sign |
stridor heard on expiration in an infant with tuberculosis involving the bronchial glands.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| Schick test control |
Inactivated diphtheria toxin for the Schick test. It is used in the Schick test as a control.
Ãâó:
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| Schick r. |
see under test.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Schick t. |
intradermal injection of a quantity of diphtheria toxin equal to one-fiftieth of the guinea pig minimal lethal dose in one arm (the test site) and of an equal quantity of heat-inactivated diphtheria toxin in the other arm (the control site). A positive reaction, which consists of an area of redness that appears in 24 to 36 hours at the test site only and persists for 4 to 5 days, leaving an area of brownish pigmentation, indicates a lack of immunity to diphtheria. A pseudoreaction, which consists of an area of redness appearing at both sites and usually disappearing in 48 hours without residual pigmentation, or a negative reaction indicates immunity.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Schick | a skin test for immunity to diphtheria |
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