- ball-and-cage valve
- a form of prosthesis commonly used for replacing damaged heart valves.
Medical dictionary. 2011.
Medical dictionary. 2011.
ball-and-cage valve — a form of mechanical prosthesis commonly used in the past for replacing damaged heart valves. Currently, most mechanical valve replacements are of the tilting disc variety … The new mediacal dictionary
Artificial heart valve — An artificial heart valve is a device implanted in the heart of a patient with heart valvular disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires… … Wikipedia
Cage — Cage, n. [F. cage, fr. L. cavea cavity, cage, fr. cavus hollow. Cf. {Cave}, n., {Cajole}, {Gabion}.] [1913 Webster] 1. A box or inclosure, wholly or partly of openwork, in wood or metal, used for confining birds or other animals. [1913 Webster]… … The Collaborative International Dictionary of English
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
Starr-Edwards valve — a type of caged ball valve consisting of a Stellite retaining cage containing a Silastic ball and a Teflon and polypropylene cloth–covered sewing ring. See illustration … Medical dictionary
List of words having different meanings in British and American English: A–L — Differences between American and British English American English … Wikipedia
Safety cage — Safety chain Safety chain (a) (Railroads) A normally slack chain for preventing excessive movement between a truck and a car body in sluing. (b) An auxiliary watch chain, secured to the clothes, usually out of sight, to prevent stealing of the… … The Collaborative International Dictionary of English
Safety valve — Safety chain Safety chain (a) (Railroads) A normally slack chain for preventing excessive movement between a truck and a car body in sluing. (b) An auxiliary watch chain, secured to the clothes, usually out of sight, to prevent stealing of the… … The Collaborative International Dictionary of English
List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… … Wikipedia
Art, Antiques, and Collections — ▪ 2003 Introduction In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting … Universalium