has part has part has_part characteristic of part of has modifier T cell proliferation increased cell proliferation abnormal T cell proliferation increased T cell proliferation MP:0005348 enhanced T-cell proliferation T-cell hyperproliferation increased T-cell proliferation MPheno.ontology increase in the ability of a naive T cell population to undergo rapid expansion by cell division in response to stimuli enhanced T cell proliferation T cell hyperproliferation abnormal increased rate