periosteum

Term: periosteum

Literally meaning: “around the bone”

Origin: Anc Greek

περί-/peri- (=combining form meaning “around”)

+ οστέον/osteoν(=bone) > ο (accumulate) + ίστημι/istimi(stand)

+-um=latin suffix that forms singular nouns

Coined/History

Definition

Periosteum is a membrane that lines the outer surface of all bones, except at the joints of long bones.