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

Question

Quizplus · Accepted Answer

Unactivated self-tolerant lymphocytes are primarily found in the MALT (mucosa-associated lymphoid tissue) and lymph nodes, where they conduct immune 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