Lymph node medullary sinus

System Immune/Lymphatic

Lymph node medullary sinus

Definition

The channels in the lymph node medulla that separate the medullary cords and are crossed by a reticulum of cells and fibers and bounded by littoral cells; lymph flows through the medullary sinus from the cortical sinuses and into the efferent lymphatic vessels.

The Lymph node medullary sinus is a part of the Immune/Lymphatic.