Ventricles


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Ventricles

The two chambers of the heart that are involved in pumping blood. The right ventricle pumps blood into the lungs to receive oxygen. The left ventricle pumps blood into the circulation of the body to deliver oxygen to all of the body's organs and tissues.
Figure 1: The nervous system.

ventricles

the paired major chambers and muscular pumps of the heart. The left ventricle receives oxygenated blood from the lungs via the left atrium, and in an average-sized person at rest ejects a stroke volume of around 70 mL at each beat (contraction, systole) into the aorta, increasing during exercise by virtue of greater filling and stretching during each relaxation (diastole); the right ventricle receives venous blood from the rest of the body via the right atrium, and ejects the same volume as the left ventricle, in synchrony with it. The heart beat can normally be felt over the apex of the left ventricle. Figure 1.
References in periodicals archive ?
3) showed that the 4th ventricle had returned to its normal size and no longer contained the previously seen cyst.
Current treatment--called "single-ventricle palliation"--uses the right ventricle to support the entire circulation through a series of surgeries.
Because the ventricles pump blood under higher pressures over greater distances their walls are thicker.
Residual volumes of the left ventricle (end-diastolic volume and end-systolic volume), stroke output, and ejection fraction were calculated using the Simpson method.
We have presented an epidermoid in the lateral ventricle in a pediatric patient.
Data suggests this is largely due to limitations on where current, market-approved leads can be placed in the heart's venous anatomy to stimulate the left ventricle.
The third ventricle is involved in several functions of the body including: Protection of the brain from trauma [Fig.
They usually occur in the anterior and anterosuperior part of the third ventricle [4,5].
Conclusively, findings indicating relaxation dysfunction were found in both ventricles and in the septum in IDMs and in the right ventricle in the control group.
The impulse causes the ventricles to contract, pushing blood out into the aorta and the pulmonary arteries.
Angiography confirmed situs solitus and D-loop ventricles, that is, the right-sided right ventricle and the concordant atrioventricular connections, the great vessels, were in L- malposition, but the ventriculoarterial connections were concordant, i.
4) classified twinning on the basis of cardiac fusion as follows: separate normal hearts (type A), fused atria with separate ventricles (type B), and fused atria and ventricles (type C).