All
 A15 Hemic and Immune Systems D006424 +
 A15.145 Blood D001769 +
 A15.145.229 Blood Cells D001773 +
 A15.145.229.637 Leukocytes D007962 +
 A15.145.229.637.555 Leukocytes, Mononuclear D007963 +
 A15.145.229.637.555.567 Lymphocytes D008214 +
 A15.145.229.637.555.567.569 T-Lymphocytes D013601 +
 A15.145.229.637.555.567.569.220 CD8-Positive T-Lymphocytes D018414 +
 A15.145.229.637.555.567.569.220.200 T-Lymphocytes, Cytotoxic D013602