. "\"Any process that stops, prevents, or reduces the frequency, rate or extent of T cell differentiation in the thymus.\" [GOC:add, GOC:mah]" . . "negative regulation of T cell differentiation in thymus" . "negative regulation of thymic T cell differentiation" . "negative regulation of thymocyte cell differentiation" . "negative regulation of thymocyte differentiation" . "Note that immunologists typically use the word 'development' to refer to cells of B or T cell lineages undergoing the process that GO describes as 'cell differentiation'." . . . "negative regulation of T cell development in thymus" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .