periosteo-used as combining form of periosteum, as in periˌosteo-alˈveolara.[see alveolar], belonging to the periosteum (of the jaw-bone) and the sockets of the teeth; periˈosteophyte[Gr. ϕυτόν plant, growth], a bony growth from the periosteum; periˈosteoˌtome[Gr. -τοµος cutting], ‘the special knife used for periosteotomy’ (Syd. Soc.Lex.); periosteˈotomy[Gr. τοµή a cutting], ‘the operation of cutting through the periosteum’ (ibid.).1897Allbutt's Syst.Med. II. 932 Periosteo-alveolar swelling.1889Treves Man.Surg. II. 96 These periosteal new growths are known pathologically as osteophytes, or more correctly as periosteophytes.