Chapter 23 Exam

3. cells scattered among the lymphocytes of the thymus, responsible for the production of thymic hormones.
5. the area of the spleen associated with the arteriolar branches of the trabecular arteries.
11. the type of immunity for which B cells are responsible.
12. malignant cancer consisting of abnormal lymphocytes or lymphoid stem cells.
13. the origin of the thoracic duct in most individuals. an expanded, saclike chamber.
15. the destruction or inactivation of pathogens, abnormal cells, and foreign molecules such as toxins.
17. area of the lymph nodes dominated by T cells
18. connective tissue band that connects the stomach and spleen.
19. a groove on the surface of the spleen
20. another name for antibodies.
22. produced in response to antigens, another name for immunoglobulin.
23. the name for lymphocyte production, it occurs in the bone marrow and thymus.
24. a lymphoid organ; it removes abnormal blood cells, stores iron, and initiates immune responses.

1. patches clusters of lymphoid nodules in the mucosal lining of the small intestine.
2. the area of the spleen that contains large quantities of red blood cells.
4. 'blind-ended tubes' that form a complex network within the peripheral tissues. The smallest of the lymph vessels.
6. infection caused by Borrelia Burgdorferi bacteria.
7. a failure of lymph fluid drainage; may be caused by infection, injury or malformed vessels.
8. a lymphoid organ that is the site of T cell maturation.
9. the only unpaired tonsil
10. a differentiated B cell that is responsible for the production and secretion of antibodies.
12. a large lymph vessel; examples include the lumbar, subclavian and jugular.
14. a type of lymphocyte that attacks foreign cells, also called large granular lymphocytes.
16. a type of lymphocyte that matures in the bone marrow and is responsible for antibody-mediated immunity.
21. the extensive array of lymphoid nodules in the digestive tract.