'Endosteum' definitions:
Definition of 'endosteum'
From: WordNet
noun
Vascular membrane that lines the inner surface of long bones
Definition of 'Endosteum'
From: GCIDE
- Endosteum \En*dos"te*um\, n. [NL., fr. Gr. ? + ? a bone.] (Anat.) The layer of vascular connective tissue lining the medullary cavities of bone. [1913 Webster]