1. The Anuran urostyle, however, is structurally and developmentally distinct because of the contribution of an ossifying hypochord

2. (Ossifying Fibroma, NCI Thesaurus) A mucinous cystic tumor of the ovary characterized by the presence of one or more well Circumscribed solid nodules in the wall of

3. Diffuse idiopathic skeletal hyperostosis is an ossifying diathesis leading to bone formation in spinal and extraspinal sites, paravertebral osteophyte formation and ligamentous calcification and ossification.