OntologiesuberonclassesGO:0002520   
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immune system developmentImported
http://purl.obolibrary.org/obo/GO_0002520

The process whose specific outcome is the progression of an organismal system whose objective is to provide calibrated responses by an organism to a potential internal or invasive threat, over time, from its formation to the mature structure. A system is a regularly interacting or interdependent group of organs or tissues that work together to carry out a given biological process.

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Also appears inontoneohcaoflopozpaism + 17