Pulmonary veins
Pulmonary veins
The Pulmonary veins (pronunciation: /pʌlˈmɒnəri veɪnz/) are a set of blood vessels that deliver oxygenated blood from the lungs to the heart. They are part of the cardiovascular system and play a crucial role in the process of oxygenation.
Etymology
The term "Pulmonary" is derived from the Latin word 'pulmo', meaning 'lung', and "vein" comes from the Old English 'vena', meaning 'blood vessel'.
Anatomy
There are typically four pulmonary veins, two from each lung. The veins are categorized as the right superior, right inferior, left superior, and left inferior pulmonary veins. They carry oxygen-rich blood from the lungs to the left atrium of the heart, which then pumps the blood to the rest of the body.
Related Terms
- Pulmonary artery: These vessels transport deoxygenated blood from the heart to the lungs.
- Oxygenation: The process by which oxygen molecules are transported to tissues and cells of the body.
- Cardiovascular system: The organ system that circulates blood throughout the body, delivering oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.
See Also
External links
- Medical encyclopedia article on Pulmonary veins
- Wikipedia's article - Pulmonary veins
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