Final answer:
The incorrect statement regarding lymph nodes is D. Connective tissue bands called tendineae divide nodes, whereas the correct term is trabeculae. The other options correctly describe various structures and functions of the lymph nodes.
Step-by-step explanation:
Among the options given about lymph nodes, the incorrect statement is D. Connective tissue bands called tendineae divide nodes. In actuality, lymph nodes are divided into compartments by extensions of the connective tissue capsule called trabeculae, not tendineae. The other statements about lymph nodes are correct:
- A. They are covered by a connective tissue capsule.
- B. They contain a network of lymphatic sinuses.
- C. Each node has an outer cortex and inner medulla.
- E. Lymphatic nodules produce lymphocytes.
Lymph nodes have a crucial role in the immune system, filtering lymph and facilitating adaptive immune responses through interaction with T cells, B cells, and other accessory cells.