http://www.orthopaedicweblinks.com A benign, relatively slow-growing, central bone tumor, usually of the jaws (especially the mandible) which is composed of fibrous connective tissue within which bone is formed. OCOSH Code C04.557.450.565.575.400_BD_BN_CTS_CT_B_OF en-us Sun Jan 13 2008 17:14:45 GMT Copyright 2005 OWL Inc. orthopaedicweblinks@gmail.com (Christian Veillette) orthopaedicweblinks@gmail.com (OWL Inc.)