Medical dictionary. 2011.
ball valve — caged ball v … Medical 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
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
Cooley-Cutter valve — a caged ball valve consisting of an open cage with four metal struts forming foot like projections into the orifice, a cloth covered sewing ring, and a disk shaped or biconical poppet … Medical dictionary
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
Earthquake Valve — An earthquake valve or seismic valve is an automatic way to shut off the low pressure regulated gas supply to a structure during a major earthquake and/or if a pipe is broken. These are applicable both to utility supplied natural gas and to… … Wikipedia
March 1960 — January – February – March – April – May – June – July – August – September – October – November December The following events occurred in March 1960. Contents 1 March 1, 1960 (Tuesday) 2 March … Wikipedia
Noah's Island — Format Children Created by European Broadcasting Union Starring … Wikipedia
Domestic rabbit — This article is about domesticated European rabbits. For information on the wild variety, see European Rabbit. For general information on all rabbit species, see Rabbit. Domestic Rabbit Conservation status … Wikipedia
Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… … Wikipedia
