Abnormal development of fibrous connective tissue. ... Fibrodysplasia ossificans progressiva, a generalised disorder of connective tissue in which bone replaces tendons, fasciae, and ligaments; a lethal genetic disorder inferred from indirect evidence to have autosomal dominant inheritance. ... See: fibrous dysplasia of bone. ... (05 Mar 2000) ... ... Found on http://www.encyclo.co.uk/local/20973