Source:http://linkedlifedata.com/resource/umls/id/C1655797
GO: The process whose specific outcome is the progression of the thymus over time, from its formation to the mature structure. The thymus is a symmetric bi-lobed organ involved primarily in the differentiation of immature to mature T cells, with unique vascular, nervous, epithelial, and lymphoid cell components. [GOC:add, ISBN:0781735149]