familial aggregation


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Related to familial aggregation: proband

aggregation

 [ag″rĕ-ga´shun]
1. massing or clumping of materials together.
2. a clumped mass of material.
familial aggregation the occurrence of more cases of a given disorder in close relatives of a person with the disorder than in control families.
platelet aggregation platelet agglutination.

fa·mil·i·al ag·gre·ga·tion

occurrence of a trait in more members of a family than can be readily accounted for by chance; presumptive but not cogent evidence of the operation of genetic factors.

fa·mil·i·al ag·gre·ga·tion

(fă-mil'ē-ăl ag'rĕ-gā'shŭn)
Occurrence of a trait in more members of a family than can be readily accounted for by chance; presumptive but not cogent evidence of the operation of genetic factors.

aggregation

1. massing or clumping of materials together.
2. a clumped mass of material.

familial aggregation
the occurrence of more cases of a given disorder in close relatives of an animal with the disorder than in control families.
platelet aggregation
platelet agglutination.
References in periodicals archive ?
Zachara E, Caforio AL, Carboni GP, et al Familial aggregation of idiopathic dilated cardiomyopathy: clinical features and pedigree analysis in 14 families.
Case reports have suggested familial aggregation [the occurrence of more cases of a given disorder in close relatives of a person with the disorder than in control families], but to what extent this is caused by common environment or inheritance is unknown," he added.

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