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Parachute mitral valve (or PMV) is a rare congenital heart disease where the mitral valve only has a single papillary muscle from which all chordae tendineae originate. It is caused by an embryologic failure of papillary muscles to divide into two normally distinct columns, giving the mitral valve orifice and chordea an irregular, parachute ...
A Block and bleed manifold is a hydraulic manifold that combines one or more block/isolate valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves, into one component for interface with other components (pressure measurement transmitters, gauges, switches, etc.) of a hydraulic system. The purpose of the ...
The William H. Block Company was a department store chain in Indianapolis and other cities in Indiana. It was founded in 1874 by Herman Wilhelm Bloch, an immigrant from Austria-Hungary who had Americanized his name to William H. Block.
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On Saturday afternoon, Arizona State left little doubt about who the best team in the Big 12 was during the 2024 college football season. The Sun Devils punctuated an 11-2 regular season with a ...
This story contains mention of possible domestic violence. Those facing domestic abuse can call the National Domestic Violence Hotline at 1-800-799-SAFE (7233) or visit its website for a virtual ...
The dust cap (also known as dust dome, or dome) is a gently curved dome mounted either in concave or convex orientation over the central hole of most loudspeaker diaphragms. It protects the inner mechanics (such as the pole pieces and the voice coil ) from small particles (which can cause rubs ) and other contamination.