thymus cell count thymus stromal cell count 2013-10-16T13:44:15Z CMO:0001844 JSmith Measurement of the number of non-thymocyte cells, i.e., connective tissue cells such as cortical and medullary epithelial cells and dendritic cells, in the thymus. The thymus is the lymphoid organ which is the site of the proliferation, differentiation and maturation of T lymphocytes, and of the production of hormones such as thymopoietin and thymosin which control these processes. clinical_measurement_ontology