Try Our Apps


The Best Internet Slang


[en-dos-tee-uh m] /ɛnˈdɒs ti əm/
noun, plural endostea
[en-dos-tee-uh] /ɛnˈdɒs ti ə/ (Show IPA).
the membrane lining the medullary cavity of a bone.
Origin of endosteum
1880-85; end- + New Latin osteum < Greek ostéon bone
Related forms
endosteal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
British Dictionary definitions for endosteum


noun (pl) -tea (-tɪə)
a highly vascular membrane lining the marrow cavity of long bones, such as the femur and humerus
Derived Forms
endosteal, adjective
Word Origin
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
Cite This Source
endosteum in Medicine

endosteum en·dos·te·um (ěn-dŏs'tē-əm)
n. pl. en·dos·te·a (-tē-ə)
The thin layer of cells lining the medullary cavity of a bone. Also called medullary membrane.

en·dos'te·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for endosteum

Few English speakers likely know this word

Word Value for endosteum

Scrabble Words With Friends

Nearby words for endosteum