answersLogoWhite

0

Not sure how much detail ur looking for here... but basically this is what it is. The tricuspid valve is located between the right atrium (RA) and right ventricle (RV). When the ventricles (right and left) contract, they send blood forward into the arteries (RV to pulmonary artery to send blood to lungs for oxygenation, LV to the aorta to distribute oxygenated blood throughout the body). The purpose of valves is to prevent blood from backflowing. Since you asked about the tricuspid valve, it prevents blood going back up from the RV to the RA. Just in case you don't know the basic heart circulation... deoxygenated blood from the body comes into the RA from the superior and inferior vena cavae, and from the RA goes into the RV. Between these two is the tricuspid valve, and when the RA contracts, blood gets pushed into the RV. When the RV contracts to push blood into the pulmonary artery, the tricuspid valve snaps shut in order to prevent blood from getting pushed up into the RA again. Similarly, there are 3 other valves that function for the same reason (aortic, mitral, and pulmonic). Failure of the valves to close properly causes many heart problems!

User Avatar

Wiki User

17y ago

What else can I help you with?

Related Questions

When do the AV valve close during the cardiac cycle?

AV valves close during the systole phase of the cardiac cycle.


What cardiac cycle corresponds to the dicrotic notch?

The dicrotic notch occurs during the late systole phase of the cardiac cycle, specifically when the aortic valve closes, causing a temporary rise in aortic pressure due to the recoil of blood in the aorta. This event marks the end of ejection and the beginning of diastole.


What is v Wave in cardiac cycle?

The v wave is a small positive deflection seen in the atrial pressure waveform during the cardiac cycle. It represents the partial filling of the atria as blood is returning from the veins during ventricular contraction. The v wave occurs just before the atrioventricular valve closes.


When is the mitral valve is normally?

The mitral valve, also called the AV valve, closes during ventricular systole, which is one of the part of the cardiac cycle. When the atria contracts (atrial systole), the ventricules fill with blood, causing the mitral valve to close in order to avoid the blood from flowing back into the atrium. Hope it helps!!


When is the mitral valve normally closed?

The mitral valve, also called the AV valve, closes during ventricular systole, which is one of the part of the cardiac cycle. When the atria contracts (atrial systole), the ventricules fill with blood, causing the mitral valve to close in order to avoid the blood from flowing back into the atrium. Hope it helps!!


How does the cardiac and pyloric help with digestion and absorpation?

The pyloric sphincter is a valve that opens and closes to allow chyme to leave the stomach and enter the duodenum. The cardiac sphincter is a valve that opens and closes to prevent stomach acid from going up the esophagus.


What During the systole phase of the cardiac cycle the left ventricle contracts and blood is pumped into the aorta. Which of these valves prevents a backflow of blood into the left atrium aortic valve?

During the systole phase of the cardiac cycle, the left ventricle contracts, pushing blood into the aorta through the aortic valve. The valve that prevents backflow of blood into the left atrium is the mitral valve, not the aortic valve. The aortic valve ensures that blood flows forward into the aorta and does not return to the ventricle.


How does a solenoid valve in a washing machine control the flow of water during the wash cycle?

A solenoid valve in a washing machine uses an electric current to open and close a valve that controls the flow of water into the machine during the wash cycle. When the valve is energized, it opens to allow water to enter the machine, and when the current is turned off, the valve closes to stop the flow of water. This helps regulate the amount of water entering the machine and ensures proper water levels during the wash cycle.


What valve opens during systole?

The aortic valve opens during systole to allow blood to be pumped from the left ventricle into the aorta. This process is part of the cardiac cycle that ensures blood is effectively circulated throughout the body.


How does a solenoid in a dishwasher control the flow of water during the washing cycle?

A solenoid in a dishwasher controls the flow of water by using an electric current to open and close a valve. When the dishwasher is in the washing cycle, the solenoid is activated to allow water to flow into the dishwasher. When the cycle is complete, the solenoid closes the valve to stop the flow of water.


What letter is the first valve?

The first valve of the heart is commonly referred to as the "tricuspid valve." It is located between the right atrium and the right ventricle, allowing blood to flow from the atrium to the ventricle while preventing backflow. The tricuspid valve plays a crucial role in the heart's function during the cardiac cycle.


What is the function of the dishwasher water valve and how does it contribute to the overall operation of the dishwasher?

The dishwasher water valve controls the flow of water into the dishwasher. It opens to allow water to enter the machine during the wash cycle and closes to stop the flow when the cycle is complete. This valve is essential for the dishwasher to properly fill with water, clean the dishes, and drain out the dirty water, contributing to the overall operation of the dishwasher.