Chapter 23 Exam

1. the name for lymphocyte production, it occurs in the bone marrow and thymus.
4. a large lymph vessel; examples include the lumbar, subclavian and jugular.
6. malignant cancer consisting of abnormal lymphocytes or lymphoid stem cells.
7. a lymphoid organ that is the site of T cell maturation.
12. 'blind-ended tubes' that form a complex network within the peripheral tissues. The smallest of the lymph vessels.
13. the destruction or inactivation of pathogens, abnormal cells, and foreign molecules such as toxins.
14. produced in response to antigens, another name for immunoglobulin.
18. a lymphoid organ; it removes abnormal blood cells, stores iron, and initiates immune responses.
20. patches clusters of lymphoid nodules in the mucosal lining of the small intestine.
22. the origin of the thoracic duct in most individuals. an expanded, saclike chamber.
24. a failure of lymph fluid drainage; may be caused by infection, injury or malformed vessels.
25. a differentiated B cell that is responsible for the production and secretion of antibodies.

2. the extensive array of lymphoid nodules in the digestive tract.
3. the type of immunity for which B cells are responsible.
5. a groove on the surface of the spleen
8. a type of lymphocyte that matures in the bone marrow and is responsible for antibody-mediated immunity.
9. the only unpaired tonsil
10. another name for antibodies.
11. connective tissue band that connects the stomach and spleen.
15. infection caused by Borrelia Burgdorferi bacteria.
16. the area of the spleen that contains large quantities of red blood cells.
17. the area of the spleen associated with the arteriolar branches of the trabecular arteries.
19. a type of lymphocyte that attacks foreign cells, also called large granular lymphocytes.
21. cells scattered among the lymphocytes of the thymus, responsible for the production of thymic hormones.
23. area of the lymph nodes dominated by T cells