Definitions for endosteumɛnˈdɒs ti əm; -ti ə
This page provides all possible meanings and translations of the word endosteum
vascular membrane that lines the inner surface of long bones
A membranous vascular layer of cells which line the medullary cavity of a bone
Origin: From endo- + ὀστέον.
the layer of vascular connective tissue lining the medullary cavities of bone
Origin: [NL., fr. Gr. + a bone.]
In anatomy the endosteum is a thin layer of connective tissue that lines the surface of the bony tissue that forms the medullary cavity of long bones. This endosteal surface is usually resorbed during long periods of malnutrition, resulting in less cortical thickness. The outer surface of a bone is lined by a thin layer of connective tissue that is very similar in morphology and function to endosteum. It is called the periosteum, or the periosteal surface. During bone growth, the width of the bone increases as osteoblasts lay new bone tissue at the periosteum. To prevent the bone from becoming unnecessarily thick, osteoclasts resorb the bone from the endosteal side.
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