Red bone marrow
System
Immune/Lymphatic
Red bone marrow
Definition
The red vascular substance consisting of connective tissue and blood vessels, containing primitive blood cells, macrophages, megakaryocytes, and fat cells. Red marrow is found in the cavities of many bones. It manufactures and releases leukocytes and erythrocytes into the bloodstream.
Also known as medulla ossium rubra, parenchymal red marrow, red marrow — per UBERON
The Red bone marrow is a part of the Immune/Lymphatic.