Category: G

A contra-angle knife used to trim a gold filling in a tooth.  

A radio surgical device first used in 1968 that relies on gamma rays from radioactive cobalt to cut or excise diseased tissue, especially in the brain. The radioactive energy emitted by the knife is focused stereotactically to limit injury to healthy tissue. A surgical instrument designed to concentrate beams of radiation specifically on the head,…

A lay term for internal derangement of the knee joint, characterized by pain or instability, locking, and weakness. It is usually the result of a torn internal cartilage, a fracture of the tibial spine, or an injury to the collateral or cruciate ligaments.  

A drink derived from a fruit rich in chemicals called flavonoids, which impair the metabolism of drugs processed by the liver’s cytochrome P 450 system. Patients should be advised that the juice alters the performance of several important drugs, including warfarin, steroids, calcium channel blockers, statins, second-generation antihistamines, protease inhibitors, and others.  

A synovial joint having only forward and backward motion, as a hinge.  

A local irritation produced by penetration of the skin of the foot by hookworm larvae, especially Necator americanus.  

An inflammation characterized by granulomas, growths that result when macrophages are unable to destroy foreign bodies after engulfing them; seen especially in tuberculosis, syphilis, and some fungal infections.  

Unresolved pneumonia with fibrosis of the lung, and no pigmentation.  

Fibrosis of an organ such as the liver or kidney in which small fibrotic granules are present.  

A measure of the degree of projection of the upper jaw by finding the ratio of the distance from the nasion to the basion to that of the basion to the alveolar point multiplying by 100.