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left pulmonary artery |
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left pulmonary artery,
the shorter and smaller of two arteries conveying venous blood from the heart to the lungs, rising from the pulmonary trunk, connecting to the left lung, and tending to have more separate branches than the right pulmonary artery. In the fetus, it is larger and more important than the right pulmonary artery because it provides the ductus arteriosus that degenerates to become a ligament after birth. Compare right pulmonary artery. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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