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Ontologies are collections of terms organized in a graph that can be used to annotate biological data, for example, tagging genes or variants with terms from disease or phenotype ontologies. The most well known bio ontology is the Gene Ontology (GO), used for functional annotation of genes. Sites such as the OBO Foundry and Bioportal can be used to find bio-ontologies.

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What is the difference between a MeSH concept and a MeSH descriptor

Medical Subject Headings (MeSH) is a very comprehensive vocabulary to index the biomedical literature on Medline or PubMed (which is the major Biomedical literature database). MeSH is arranged into De …
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