Thin, vascular membrane that lines the inner aspect of cortical bone surrounding the medullary cavity of bone. This delicate connective tissue is composed of vessels, lining cells, and osteoprogenitor cells and has a marked osteogenic potential.
The thin layer of cells lining the medullary cavity of a bone.
Thin, transparent outer layer of the heart wall.
A membrane lining the bone marrow cavity inside a long bone.
Membranous lining of a cavity inside a bone.