lancefield's group
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Lancefield classification group — Lance·field classification, group (lansґfēld) [Rebecca Craighill Lancefield, American bacteriologist, 1895–1981] see under classification and group … Medical dictionary
lancefield group — n(t)ˌsfēld noun also lancefield s group or lancefield grouping Usage: usually capitalized L Etymology: after Rebecca Lancefield b1895 American bacteriologist : one of the serologically distinguishable groups (as group A, group B … Useful english dictionary
Group A — ā n the Lancefield group of beta hemolytic streptococci that comprises all strains of a species of the genus Streptococcus (S. pyogenes) and that includes the causative agents of pharyngitis, scarlet fever, septicemia, some skin infections (as… … Medical dictionary
Group B — bē n the Lancefield group of usu. beta hemolytic streptococci that comprises all strains of a species of the genus Streptococcus (S. agalactiae) and that includes the causative agents of certain infections (as septicemia, pneumonia, and… … Medical dictionary
Lancefield system — (group; lans feld) One of the serologically distinguishable groups (as group A, group B) into which streptococci can be divided … Dictionary of microbiology
Lancefield group — Lance·field group lan(t)s .fēld also Lance·field s group .fēldz n any of the serologically distinguishable groups into which most streptococci can be divided and which are based on the polysaccharide antigens present in the streptococcal cell… … Medical dictionary
Group B streptococcal infection — DiseaseDisorder infobox Name = Streptococcus, group B, as the cause of diseases classified to other chapters ICD10 = ICD10|B|95|1|b|95 ICD9 = Infection with Group B Streptococcus (GBS), also known as Streptococcus agalactiae and more colloquially … Wikipedia
Lancefield classification — a classification of the Streptococcus bacteria based on the presence or absence of antigenic carbohydrate on the cell surface. Species are classified into the groups A S. Most species causing disease in humans belong to groups A, B, and D. R. C.… … Medical dictionary
group A B C (etc.) streptococci — streptococci distinguished by the Lancefield classification into groups (Lancefield groups) on immunologic grounds according to the presence in the cell wall of specific antigenic carbohydrates called C carbohydrates. Those causing human… … Medical dictionary
lancefield grouping — noun see lancefield group … Useful english dictionary
