| A | B |
| Histology | Study of tissues |
| antibody | Protein that helps destroy antigens |
| lingual tonsils | masses of lhymph tissue on the back of the tongue |
| lymph | tin, watery fluid composed of intercellular fluid |
| lymph node | popularly called lymph glands |
| monocyte | one cell (type of WBC) |
| pharyngeal tonsils | commonly called adenoids |
| neutrophil | attraction for neutral (type of cell) |
| spleen | organ on left side dorsal to the stomach |
| thymus | atrophies after puberty |
| lymphocytess | cell of the lymphatic system |
| efferent | outward |
| autologous | related to self |
| interferon | glycoprotein that helps fight viruses |
| tonsillectomy | surgical removal of the tonsils |
| pathology | study of disease |
| splenectomy | removal of the spleen |
| macrophages | mature wbc monocyte type |
| allergist | a specialist in diagnosing and treating conditions of altered immunologic reactivity such as allergic reactions |
| malignant | harmfu, tending to spread, life threatening |
| lymphedema | abnormal accumulation of fluid that occurs when veins or lymph vessels do not drain properly |
| metastasize | process by which cancer spreads to secondary sites |
| phagocytose | They ingest and destroy bacteria and foreign substances |
| macrophage | a cell tht protects the body by eating inbading cells |