superior pulmonary vein
Noun (Anatomy): One of the two pulmonary veins (left or right) that carries oxygenated blood from the upper lobe of a lung back to the left atrium of the heart.
The term is used in medical and anatomical contexts to specify a particular blood vessel. It is typically modified by "right" or "left" to indicate from which lung it originates. * The superior pulmonary vein drains blood from the apical and anterior segments of the upper lung lobe. * During the procedure, the surgeon carefully isolated the left superior pulmonary vein. * An obstruction in a superior pulmonary vein can lead to pulmonary venous hypertension.
- The plural form, superior pulmonary veins, refers to the pair of these veins (right and left) collectively.
- The CT scan showed the superior pulmonary veins entering the left atrium.
- Pulmonary vein (n): The general term for any of the four veins (two superior, two inferior) that carry oxygenated blood from the lungs to the heart.
- Inferior pulmonary vein (n): The vein that carries blood from the lower lobe of a lung to the heart.
- Superior pulmonary venous trunk (n): A less common synonym used in detailed anatomical descriptions.
This term has a single, specific anatomical meaning. It is not used in idiomatic or non-scientific contexts.
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either of two pulmonary veins (left and right) returning blood from the superior lobes of the lungs
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