os longum

Thesaurus

Noun

1.os longum - in limbs of vertebrate animals: a long cylindrical bone that contains marrowlong bonebone, os - rigid connective tissue that makes up the skeleton of vertebratesendosteum - vascular membrane that lines the inner surface of long bonesepiphysis - the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fuseddiaphysis, shaft - the main (mid) section of a long bonemetaphysis - the growing part of a long bone between the diaphysis and the epiphysisarm bone - a bone in the armleg bone - a bone of the leg