[end.os.te.um] n, pl -tea [NL, fr. end- + Gk osteon bone--more at osseous] (ca. 1881): the layer of vascular connective tissue lining the medullary cavities of bone
ENDOSTEUM
Meaning of ENDOSTEUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012