n.
Pronunciation: -t ē - ə m
Function: noun
Inflected Form: plural -tea \ -t ē - ə \
Etymology: New Latin, from Late Latin periosteon, from Greek, neuter of periosteos around the bone, from peri- + osteon bone ― more at OSSEOUS
Date: 1597
: the membrane of connective tissue that closely invests all bones except at the articular surfaces