An acute angle (acute meaning sharp) is an angle smaller than a right angle (it is less than 90 degrees). Related pages[change | change source] This short article about mathematics can be made longer. You can help Wikipedia by adding to it.
Chondrosarcoma is a cancer composed of cells derived from transformed cells that produce cartilage. Chondrosarcoma is a member of a category of tumors of bone and soft tissue known as sarcomas. About 30% of skeletal system cancers are chondrosarcomas. It is resistant to chemotherapy and radiotherapy. Unlike other primary bone cancers that mainly affect children and adolescents, chondrosarcoma can present at any age.
Chondroblasts: cell that make cartilage and help in bone healing after a break. Hard callus: a hard bump that forms around a fracture when a bone is broken and healing. Osteoclast: cells in your body that break down bone material in order to reshape it. Phagocytes: cells that swallow up germs and other unwanted waste materials in the body.