treatment of fetal thymuses with 2-deoxyguanosine depletes these organs of many haematopoietic cells , and if such thymuses are transplanted into allogeneic athymic nude mice , intrathymic development of cytolytic t-lymphocyte precursors ( ctl-p ) occurs , including those which are specific for class i major histocompatibility complex ( mhc ) antigens expressed by the thymus epithelium .
C0040113
thymuses
C1711423
thymus epithelium