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.
Costochondritis, also known as chest wall pain, costosternal syndrome, or costosternal chondrodynia is an acute and often temporary inflammation of the costal cartilage, the structure which connects each rib to the sternum at the costosternal joint.he condition is a common cause of chest pain. Though costochondritis often resolves on its own, it can be a recurring condition that can appear to have little or no signs of onset. Costochondritis symptoms can be similar to the chest pain associated with a heart attack.