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nouna structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
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nouncontrol consisting of a mechanical device for controlling the flow of a fluidtype of:
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noundevice in a brass wind instrument for varying the length of the air column to alter the pitch of a tonetype of:part of:
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nounone of the paired hinged shells of certain molluscs and of brachiopodstype of:
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nounthe entire one-piece shell of a snail and certain other molluscstype of:
Definition that contains valve
- bicuspid valve valve with two cusps; situated between the left atrium and the left ventricle
- slide valve valve that opens and closes a passageway by sliding over a port
- left atrioventricular valve valve with two cusps; situated between the left atrium and the left ventricle
- right atrioventricular valve valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
- mitral valve valve with two cusps; situated between the left atrium and the left ventricle
- tricuspid valve valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
- ileocecal valve valve between the ileum of the small intestine and the cecum of the large intestine; prevents material from flowing back from the large to the small intestine