abnormal CD8-positive, alpha beta T cell morphology abnormal Tc17 cell morphology 2010-10-20T11:11:44Z Found in the CD27-positive CD28-positive or CD27-negative CD28-positive fractions with the phenotype CCR4-negative and CCR7-negative. MP:0010671 MPheno.ontology abnormal Tc17 T cell morphology abnormal Tc17 T lymphocyte morphology abnormal Tc17 T-cell morphology abnormal Tc17 T-lymphocyte morphology any structural anomaly of a CD8-positive, alpha-beta positive T cell with the phenotype CCR6-positive, CCR5-high, CD45RA-negative, and secreting IL-17 and some IFNg csmith