| osteoclast | 1. <pathology> Large multinucleate cell formed from differentiated macrophage, responsible for breakdown of bone. 2. <dentistry> Cells which help create the sockets in bones. For example osteoclasps create the openings in your jaw bone to hold your teeth. (08 Jan 1998) |
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| osteoclast activating factor | A lymphokine that stimulates bone resorption and inhibits bone-collagen synthesis. (05 Mar 2000) |
| osteoclastic | Pertaining to osteoclasts, especially with reference to their activity in the absorption and removal of osseous tissue. (05 Mar 2000) |
| osteoclastoma | A bone tumour composed of cellular spindle-cell stroma containing scattered multinucleated giant cells resembling osteoclasts. The tumours range from benign to frankly malignant lesions. The tumour occurs most frequently in an end of a long tubular bone in young adults. (12 Dec 1998) |
| osteoclasts | A large multinuclear cell associated with the absorption and removal of bone. An odontoclast, also called cementoclast, is cytomorphologically the same as an osteoclast and is involved in cementum resorption. (12 Dec 1998) |