What feature is true for primary versus secondary lymphoid tissue?
A) Primary lymph tissue can replace secondary.
B) Primary lymphoid tissue is necessary to the secondary lymphoid tissue process.
C) Immunocompetent T and B cells are found only in secondary lymphoid tissue.
D) Immunocompetent T and B cells are found only in primary lymphoid tissue.

Question

Quizplus · Accepted Answer

Primary lymphoid tissues, such as the bone marrow and thymus, are where lymphocytes mature and become immunocompetent. This process is essential for the function of secondary lymphoid tissues, like the spleen and lymph nodes, where immune responses are coordinated.

What Feature Is True for Primary Versus Secondary Lymphoid Tissue