Membranes of Long Bones

Periosteum

white double layers, membrane that covers externally, surfaces exept joints

Fibrous Layer

outer layer

Osteogenic layer

inner layer, abrutting bone and contains osteogenic stem cell

Endosteum

delicate connective tissue membrane covering internal bone surface, covered trabeculae ofspongy bone, lines canals that pass through compact bone, constains osteogenic cells that can differentiate into other bone cells

Bones are _____

well vascularized

Red Marrow

blood forming