Term Name:	immune system development
Synonyms:
Definition:	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.
Ontology:	GO: Biological Process [GO:0002520]    QuickGO    AmiGO