[en-dos-tee-uh m]

noun, plural en·dos·te·a [en-dos-tee-uh] /ɛnˈdɒs ti ə/. Anatomy.

the membrane lining the medullary cavity of a bone.

Origin of endosteum

1880–85; end- + New Latin osteum < Greek ostéon bone
Related formsen·dos·te·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for endosteum


noun plural -tea (-tɪə)

a highly vascular membrane lining the marrow cavity of long bones, such as the femur and humerus
Derived Formsendosteal, adjective

Word Origin for endosteum

C19: New Latin, from endo- + Greek osteon bone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

endosteum in Medicine



n. pl. en•dos•te•a (-tē-ə)

The thin layer of cells lining the medullary cavity of a bone.medullary membrane
Related formsen•doste•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.