PULMONARY VALVE Meaning and
Definition
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The pulmonary valve is a vital component of the human heart and serves as one of the four valves within the cardiac system. It is an integral part of the right side of the heart, specifically positioned between the right ventricle and the pulmonary artery. The primary function of the pulmonary valve is to regulate blood flow from the right ventricle into the pulmonary artery, enabling the transportation of oxygen-depleted blood to the lungs for oxygenation.
Structurally, the pulmonary valve consists of three cusps or leaflets that emerge from a central point. These cusps are thin, membranous flaps that act as one-way doors, ensuring that the blood flows in a single direction, preventing backflow into the right ventricle when it contracts.
During the heart’s pumping cycle, the right ventricle contracts, exerting pressure on the blood, which in turn pushes open the cusps of the pulmonary valve, allowing blood to flow into the pulmonary artery. Upon relaxation of the right ventricle, the cusps close firmly, preventing any blood from flowing back into the ventricle.
Problems with the pulmonary valve can arise in certain instances, including birth defects such as pulmonary valve stenosis or pulmonary valve regurgitation. These conditions refer to a narrowing of the valve or a leaking backflow of blood into the right ventricle, respectively, and can impact normal heart functioning. Medical interventions may be required to correct such issues and maintain optimal heart health.
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Valvula semilunaris arteriae pulmonalis see under semilunar v.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PULMONARY VALVE
- oulmonary valve
- lulmonary valve
- -ulmonary valve
- 0ulmonary valve
- pylmonary valve
- phlmonary valve
- pjlmonary valve
- pilmonary valve
- p8lmonary valve
- p7lmonary valve
- pukmonary valve
- pupmonary valve
- puomonary valve
- pulnonary valve
- pulkonary valve
- puljonary valve
- pulminary valve
- pulmknary valve
- pulmlnary valve
Etymology of PULMONARY VALVE
The word "pulmonary" in "pulmonary valve" is derived from the Latin word "pulmonarius", which means "belonging to the lungs". The term "valve" comes from the Latin word "valva", which means "fold" or "door". "Pulmonary valve" refers to the heart valve located between the right ventricle and the pulmonary artery, which controls blood flow from the heart to the lungs.
Similar spelling words for PULMONARY VALVE
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