Endosteum
//ɛnˈdɒsti.əm// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A membranous vascular layer of cells which line the medullary cavity of a bone; an internal periosteum.
"Hyaline cartilage is insensitive, and radiographic changes imputed to it can have no bearing on pain from it unless it is so worn away that the endosteums of the articulating bones are rubbing on each other."
- 2 vascular membrane that lines the inner surface of long bones wordnet
Example
More examples"Hyaline cartilage is insensitive, and radiographic changes imputed to it can have no bearing on pain from it unless it is so worn away that the endosteums of the articulating bones are rubbing on each other."
Etymology
From end- (“inside, internal, within”) (from Ancient Greek ἔνδον (éndon, “within”)) + Ancient Greek ὀστέον (ostéon, “bone”).
Related phrases
More for "endosteum"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.