Serotype
The kind of microorganism as characterized by serologic typing (testing for recognizable antigens on the surface of the microorganism).
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SYN: serovar.
- heterologous s. an antibody that was induced by one antigen and reacts with another antigen.
- homologous s. an antibody that was induced by a particular antigen and reacts with that antigen.

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se·ro·type 'sir-ə-.tīp, 'ser- n
1) a group of intimately related microorganisms distinguished by a common set of antigens
2) the set of antigens characteristic of a serotype
se·ro·typ·ic .sir-ə-'tip-ik adj
se·ro·typ·i·cal·ly -i-k(ə-)lē adv
serotype vt, -typed; -typ·ing to determine the serotype of <\serotype streptococci> <serotyped isolates from 100 patients>

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n.
a category into which material is placed based on its serological activity, particularly in terms of the antigens it contains or the antibodies that may be produced against it. Thus bacteria of the same species may be subdivided into serotypes that produce slightly different antigens. The serotype of an infective organism is important when treatment or prophylaxis with a vaccine is being considered.

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se·ro·type (sērґo-tīp″) 1. the type of a microorganism as determined by the kinds and combinations of constituent antigens present in the cell. 2. serovar. 3. to distinguish organisms on the basis of their constituent antigens.

Medical dictionary. 2011.

Look at other dictionaries:

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  • serotype — I. ˈsirəˌtīp, ˈser noun Etymology: sero + type : a group of intimately related microorganisms distinguished by the possession of a common set of antigens; also : the antigen set characteristic of such a group II. ˈsirəˌtīp, ˈser transitive verb… …   Useful english dictionary

  • serotype — /sear euh tuyp , ser /, n., v., serotyped, serotyping. n. 1. a group of organisms, microorganisms, or cells distinguished by their shared specific antigens as determined by serologic testing. 2. the set of antigens that characterizes the group. v …   Universalium

  • serotype — n. a category into which material is placed based on its serological activity, particularly in terms of the antigens it contains or the antibodies that may be produced against it. Thus bacteria of the same species may be subdivided into serotypes …   The new mediacal dictionary

  • serotype — se•ro•type [[t]ˈsɪər əˌtaɪp, ˈsɛr [/t]] n. v. typed, typ•ing 1) mcr imu med a group of organisms, microorganisms, or cells distinguished by their shared specific antigens as determined by serologic testing 2) mcr imu med the set of antigens that… …   From formal English to slang

  • serotype — noun Date: 1946 a group of intimately related microorganisms distinguished by a common set of antigens; also the set of antigens characteristic of such a group …   New Collegiate Dictionary

  • serotype — The genotype of a unicellular organism as defined by antisera against antigenic determinants expressed on the surface …   Dictionary of molecular biology

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