Category: C

Swelling of the calyces.  

The interior diameter of a tube or of a blood vessel. A talking-book service which is available to people with visual or other physical disability, as well as dyslexia, who are unable to read printed books in the normal way. Its catalogue contains more than 7,000 titles including children’s books.  

An instrument used to enlarge a tube or passage. An instrument for measuring the diameter of a tube or passage. An instrument used for measuring the size of a tube or opening. An instrument for measuring the inside diameter of tubes or orifices.  

To measure the inside diameter of a tube or passage. To measure the sizes of two parts of the body to be joined together in surgery. To adjust an instrument or piece of equipment against a known standard. In the realm of X-ray machines, the process of ascertaining the specific values of voltage, current, frequency,…

A muscular fleshy part at the back of the lower leg, formed by the gastrocnemius muscles. Thick part at the back of the leg below the knee that contains the gastrocnemius muscle, which flexes when one stands on the toes. The thick muscular back part of the leg below the knee, formed by the gastrocnemius…

A surgical operation to drain the maxillary sinus by making an incision above the canine tooth [Described 1893. After George Walter Caldwell (1834-1918), US physician; Henri Luc (1855-1925), French laryngologist.]  

A condition in which calculi exist in an organ. The presence of multiple calculi (stones) in the kidneys.  

The addition of calcium to the diet, or as injections, to improve the level of calcium in the bloodstream.  

A lack of calcium in the bloodstream.  

A drug which makes the arteries wider and slows the heart rate. It is used in the treatment of angina.