phenotype affects entity CD4-positive, CD25-positive, alpha-beta regulatory T cell Abnormal CD4-positive, CD25-positive, alpha-beta regulatory T cell morphology abnormal CD4-positive, alpha beta T cell morphology abnormal regulatory T cell morphology abnormal CD4-positive, CD25-positive, alpha-beta regulatory T cell morphology MP:0008397 any structural anomaly of a CD4-positive, CD25-positive, alpha-beta T cell which regulates overall immune responses as well as the responses of other T cell subsets through direct cell-cell contact and cytokine release abnormal suppressor T cell morphology abnormal CD4-positive, CD25-positive, alpha-beta regulatory T-cell morphology abnormal suppressor T-cell morphology abnormal suppressor T lymphocyte morphology abnormal CD4-positive, CD25-positive, alpha-beta Treg morphology abnormal suppressor T-lymphocyte morphology abnormal CD4-positive, CD25-positive, alpha-beta regulatory T-lymphocyte morphology CL:0000792 MPheno.ontology abnormal CD4-positive, CD25-positive, alpha-beta regulatory T lymphocyte morphology cd4-positive, cd25-positive, alpha-beta regulatory t cell morphology