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  • noun

Words related to valve

a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

the entire one-piece shell of a snail and certain other molluscs

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one of the paired hinged shells of certain molluscs and of brachiopods

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References in periodicals archive ?
In conclusion, Bartonella infection of a natural reservoir appears to lead to cardiac valve tropism.
All 11 had diffuse fibrous thickening of the mitral leaflets, and all but one had diffuse anatomic lesions of at least two other cardiac valves.
Cardiac valve regurgitation rates were elevated with current use of pergolide and cabergoline, but not with current use of any other dopamine agonist.
1-15) The low incidence of infection on the pulmonic valve compared with other cardiac valves may relate to differences in hemodynamic pressures across the valves, oxygen saturation, underlying congenital or acquired valvular abnormalities, and the endothelial lining and relative vascularity of the valves.
Drago Cerchiari, Sorin's CEO, declared: "This production relocation will result in a strategic reinforcement of the overall Cardiac Valves area, which will benefit from the world's greatest concentration of medical technology resources and product specific knowhow.
Cardiac valves in patients with Q fever endocarditis: microbiological, molecular, and histologic studies.
The group hopes to devise instructions for growing specific body parts by turning on and off certain genes and to use these genetic blueprints to direct embryonic stem cells to grow fully-formed cardiac valves, the insulin-producing "islet cells" of the pancreas, and "tooth germs," which could grow into complete teeth once implanted in the mouth.
Patients who should receive antibiotics prior to dental procedures are those with prosthetic cardiac valves or previous episodes of infective endocarditis, and heart transplant patients with abnormal cardiac valves.
Since 1960, over 1 million dysfunctioning native cardiac valves have been replaced with a mechanical prosthesis or a bioprosthesis (tissue valve).
Now, a novel coating may offer a new way to fend off microbial buildup on catheters, artificial hips, and replacement cardiac valves.
The discoveries by more than one independent researcher of Nanobacteria and/or Nanobacteria-like structures in calcified human arteries and cardiac valves.
burnetii-infected cardiac valves can appear normal on visual inspection, as demonstrated in the cases presented here, and on histologic evaluation (11).