Term Name:	lymph node medullary sinus
Synonyms:	lymph node medullary sinusoid, 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
Ontology:	Cell Ontology [UBERON:0009744]