| BCR | B-cell receptor |
| CLP | Common lymphoid progenitor |
| CMJ | Corticomedullary junction |
| CMP | Common myeloid progenitor |
| DN | Double negative |
| DP | Double positive |
| G-CSF | Granulocyte colony-stimulating factor |
| GVHD | Graft-versus-host disease |
| HSC | Hematopoietic stem cell |
| HSCT | Hematopoietic stem cell transplantation |
| Ig | Immunoglobulin |
| LN | Lymph node |
| NK | Natural killer |
| PCs | Plasma cells |
| pDCs | Plasmacytoid dendritic cells |
| SCN | Severe congenital neutropenia |
| SP | Single positive |
| TCR | T-cell receptor |
| WHIM | Warts, hypogammaglobulinemia, infections, and myelokathexis |