Valves Definition Anatomy

The valve is opened by the increased blood pressure of the ventricular systole contraction of the muscular tissue pushing blood out of the heart and into the artery. One of the four valves of the heart this valve is situated between the left atrium and the left ventricle.

Valve Dictionary Definition Valve Defined

It permits blood to flow one way only from the left atrium into the left ventricle this valve is more commonly called the mitral valve because it has two flaps cusps and looks like a bishops miter or headdress.

Valves definition anatomy. Valve in anatomy any of various membranous structures especially in the heart veins and lymph ducts that function to close temporarily a passage or orifice permitting movement of a fluid in one direction only. Oxygen rich blood flows into the left atrium from the pulmonary veins. There are four heart valves.

All are one way valves. When the left atrium. The movable part or element of such a device.

A fold of the lining membrane of a canal or other hollow organ that serves to retard or prevent a reflux of fluid. The movable part of such a device. A valve is a device that regulates directs or controls the flow of a fluid gases liquids fluidized solids or slurries by opening closing or partially obstructing various passageways.

Blood entering the heart first passes through the tricuspid valve and then the pulmonary valve. Science definitions for valve any of various mechanical devices that control the flow of liquids gases or loose material through pipes or channels by blocking and uncovering openings. In an open valve fluid flows in a direction from higher pressure to lower pressure.

It is a one way valve meaning that blood cannot flow back into the heart through it. Medical definition of bicuspid valve. After returning from the lungs the blood passes through the mitral bicuspid valve and exits via the aortic valve.

He has good bone structure. Valves are technically fittings but are usually discussed as a separate category. Valve a structure in a hollow organ like the heart with a flap to insure one way flow of fluid through it anatomical structure bodily structure body structure complex body part structure a particular complex anatomical part of a living thing.

Valve definition is any of numerous mechanical devices by which the flow of liquid gas or loose material in bulk may be started stopped or regulated by a movable part that opens shuts or partially obstructs one or more ports or passageways. The mitral valve is located in the left side of the heart between the left atrium and left ventricle. Any formation or reduplication of tissue or flaplike structure resembling or functioning as a valve.

It closes when the pressure drops inside the heart. Home medterms medical dictionary a z list heart valves definition.

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