<tumour> A neoplasm derived from the periosteum. ... Synonym: periosteophyte, periostoma. ... (05 Mar 2000) ... 
(per″e-os-te-o´mә) a morbid bony growth surrounding a bone.
Type: Term Pronunciation: per′ē-os′tē-ō′mă Definitions: 1. A neoplasm derived from the periosteum. Synonyms: periosteophyte, periostoma
Periosteoma: A benign tumor arising from the periosteum, the dense membrane composed of fibrous connective tissue that closely wraps (invests) all bone (except the articular surfaces of bone in joints which are covered by synovial membranes). Also called a periostoma.
periosteoma, periostoma A benign tumor arising from the periosteum, the dense membrane composed of fibrous connective tissue that closely wraps (invests) all bone (except the articular surfaces of bone in joints which are covered by synovial membranes).