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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 control consisting of a mechanical device for controlling the flow of a fluid
출처: wordnet.princeton.edu/perl/webwn
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In nematodes: A structure that regulates the rate and/or direction of intake of materials (eg, the esophago-intestinal valve or cardia). (14)
출처: ppathw3.cals.cornell.edu/glossary/Defs_V.htm
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In bivalves, one of the two portions into which the shell is divided, the two valves usually joined by a hinge. In chitons, one of the eight plates comprising the shell.
출처: www.fish.washington.edu/naturemapping/mollusks/glo...
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plate; one of the two
출처: gmbis.marinebiodiversity.ca/BayOfFundy/glossU-Z.ht...
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There are four valves in the heart: the tricuspid and the mitral valve, which lie between the atria and ventricles and the pulmonic and aortic valves which lie between the ventricles and the blood vessels leaving the heart. The heart valves help to maintain one-way blood flow through the heart.
출처: www.clevelandclinic.org/heartcenter/pub/glossary/v...
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