aggregation

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Related to familial aggregation: proband

aggregation

See accretion.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

aggregation

the process of combining diverse political interests to form a more or less coherent set of policies which can form a political programme. In representative democracies, according to Almond (1953), this function is especially undertaken by POLITICAL PARTIES, whereas the related function of interest articulation is carried out particularly by interest groups and PRESSURE GROUPS.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000

aggregation

[‚ag·rə′gā·shən]
(biology)
A grouping or clustering of separate organisms.
(chemistry)
A process that results in the formation of aggregates.
(fluid mechanics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

aggregation

(programming)
A composition technique for building a new object from one or more existing objects that support some or all of the new object's required interfaces.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
References in periodicals archive ?
Familial aggregation of systemic lupus erythematosus and coaggregation of autoimmune diseases in affected families.
The objective of this study is therefore to determine the existence of familial aggregation of CKD among individuals with hypertension and/ or type 2 diabetes in the municipalities of Sorocaba and Votorantim in the State of Sao Paulo, which have a combined population of 800,000 inhabitants.
The findings of this study confirm familial aggregation of diabetes among the Omani population.
Though diabetes is proven to have familial aggregation, we could not observe any association between family history and diabetes (chi-square value = 0.05; P = 0.825).
Important differences between the patterns of familial aggregation of these two cytokines that support the idea of the findings related to TNF-[alpha] reported in this study are not simply secondary to familial clustering of IFN-[alpha].
An American study of 3344 male twins (aged 33-51) revealed a clear, familial aggregation in PA (with odds ratio from 2.9-4.6 and 1.4-1.9 for intense and moderate activities, P < 0.05) [28].
Recent genetic studies have shown familial aggregation of tone deafness, absolute pitch, musical aptitude and creative functions in music.
Since then, research has been less likely to focus on the role of a carefully documented family history in the prevention of coronary artery disease and more likely to focus on estimating what proportion of unidentiffed factors responsible for familial aggregation were genetic in nature.
Familial aggregation and genetic epidemiology of blood pressure.
Among the topics are the global burden of breast cancer, breast cancer biology and clinical characteristics, in situ breast cancer, endogenous and exogenous hormones, reproductive factors, physical activity and anthropometric factors, diet and nutrition, environmental and occupational exposures, shift work and circadian disruption, non-hormonal medications and chronic diseases, male breast cancer, familial aggregation and high-risk genes, common genetic suspectibility loci, mammographic density as a potential surrogate marker for breast cancer, screening, principles of therapy, and outcomes.
In some populations with founder effects, BRCA1/2 mutations are far more frequent and account for a greater proportion of familial aggregation and breast cancer overall.

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