Skip to Content
Medical Term:


Pronunciation: sin'os-to'sis


Osseous union between two bones that are not supposed to be united; commonly refers to formation of a bony bundle between the radius and ulna following fracture of these two bones.

Synonym(s): bony ankylosis, synosteosis, true ankylosis

[syn- + G. osteon, bone, + -osis, condition]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.