The sinuses within lymph nodes
A) are separated from the bloodstream by a blood-node barrier.
B) consist of star-shaped epithelial cells that secrete immune-boosting hormones.
C) contain macrophages living along a reticular fiber network.
D) surround clumps of lymphoid tissue called white pulp.

Question

Quizplus · Accepted Answer

Sinuses within lymph nodes contain macrophages that live along a reticular fiber network, which helps filter lymphatic fluid and remove foreign substances.

The Sinuses Within Lymph Nodes