In chains or groups . Adapted for filtering the lymph . Drain specific regions via afferent lymph vessels and are connected to larger lymph vessels via efferent lymph vessels. From the the lower extremities and abdominal organs lymph drains into the Cisterna chyli , then into the left thoracic duct which also collects lymph from the left arm. The thoracic duct lymph finally enters the venous system at the junction of the internal jugular and subclavian veins .
Fibers are continuous between reticular meshwork and trabeculae.
Cortex of small lymphocytes with lymphoid nodules supported by the reticular CT framework. Nodules may have germinal centers with larger lymphocytes. Medulla contains a sponge-work of medullary cords surrounded by medullary sinuses . Medullary sinuses contain reticular cells, macrophages and may contain other leukocytes.