Literally meaning: " bone inside”
Origin: Anc Greek
εν/en-(= prefix meaning “in”)
> ο (accumulate) + ίστημι/istimi(stand)
An enostosis or bone island represents a morbid bony growth within within the cancellous bone. Enostosis is considered a benign lesion probably congenital or developmental in origin and reflects failure of resorption during endochondral ossification.