Assertion: lymphatic system's lymph node | /r/MadeOf | a mesh of tissue
Facets:
Source sentences:
text: Lymph nodes contain a mesh of tissue that is tightly packed with B cells, T cells, dendritic cells, and macrophages.
text: Lymph nodes contain a mesh of tissue that is tightly packed with B cells, T cells, dendritic cells, and macrophages.