| Bursa
of fabricus in |
|||
| chickens; bursa |
|||
| equivalent
in humans: |
|||
| marrow,
distal bowel. |
|||
| T-cells |
| B-cells |
| ? |
| Thymus |
| Immunocompetent
lymphocytes |
||||||
| travel
to lymph nodes and other |
||||||
| lymph
tissue where they |
||||||
| proliferate
and mature in |
||||||
| response
to antigenic |
||||||
| stimulation
and then enter the |
||||||
| circulation. |
||||||
| Figure 22.8 |
