Large accumulations of unactivated self- tolerant lymphocytes conducting surveillance for specific antigenic determinants are found in
A) the MALT, lymph nodes, and thymus.
B) the MALT and lymph nodes.
C) the thymus.
D) the MALT.
E) lymph nodes.

Question

Quizplus · Accepted Answer

The MALT (mucosa-associated lymphoid tissue) and lymph nodes are sites where unactivated self-tolerant lymphocytes are present, conducting surveillance for specific antigens. The thymus is primarily involved in the maturation of T cells, not in antigen surveillance.

Large Accumulations of Unactivated Self- Tolerant Lymphocytes Conducting Surveillance for Specific