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Pulmonary Valve
By: Tim Barclay, PhD
Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Jun 24, 2015
The pulmonary valve, or pulmonary semilunar valve, is made up of three leaflets or cusps. It located at the base of the pulmonary trunk. This valve opens when the right ventricle contracts. When the right ventricular muscles relax, blood starts back up the pulmonary trunk, causing the valve to close to prevent the flow from returning into the ventricular chamber.
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Anatomy Explorer
- Aortic Valve
- Arch of Aorta
- Blocked Coronary Vessel
- Brachiocephalic Trunk
- Bundle Branches
- Chordae Tendineae
- Descending Aorta
- Electrode Terminal (Front)
- Electrode Terminal (Rear)
- Electrode Tip
- Grafted Vein
- Inferior Vena Cava
- Interventricular Septum
- Left Atrium
- Left Auricle
- Left Brachiocephalic Vein
- Left Common Carotid Artery
- Left External Jugular Vein
- Left Inferior Pulmonary Vein
- Left Internal Jugular Vein
- Left Pulmonary Artery
- Left Subclavian Artery
- Left Subclavian Vein
- Left Superior Pulmonary Vein
- Left Ventricle
- Mitral Valve
- Necrotic (Dead) Muscle Tissue
- Pacemaker (Pulse Generator)
- Papillary Muscles
- Pulmonary Trunk
- Pulmonary Valve
- Purkinje Fibers
- Right Atrium
- Right Auricle
- Right Brachiocephalic Vein
- Right Common Carotid Artery
- Right External Jugular Vein
- Right Inferior Pulmonary Vein
- Right Internal Jugular Vein
- Right Subclavian Artery
- Right Superior Pulmonary Vein
- Right Ventricle
- Saphenous Vein
- Superior Vena Cava
- Tricuspid Valve
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