ductus arteriosus

Type: Term Definitions: 1. a fetal vessel connecting the left pulmonary artery with the descending aorta; in the first 2 months after birth, it normally changes into a fibrous cord, the ligamentum arteriosum; persistent postnatal patentcy is a correctable cardiovascular handicap. Synonyms: arterial canal, arterial duct, Botallo duct &...
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ductus arteriosus

[n] - a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta
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Ductus arteriosus

Ductus arteriosus: A key arterial shunt (ductus) in fetal life. Before birth, blood pumped from the heart through the pulmonary artery toward the lungs is shunted into the aorta. This arterial shunt is a short vessel called the ductus arteriosus. When the shunt is open, it is said to be patent. The ductus arteriosus usually closes at or shortly aft
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ductus arteriosus

Before birth, the blood headed from the heart (via the pulmonary artery) for the lungs is shunted away from the lungs and returned to the greatest of arteries (the aorta). The shunt is through a short vessel called the ductus arteriosus. When the shunt is open, it is said to be patent (pronounced pa'tent). The patent ductus arteriosus (PDA) usually
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ductus arteriosus

noun a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta; normally closes at birth
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ductus arteriosus

(duk´tәs ahr-tēr″e-o´sәs) a blood vessel that joins the aorta and pulmonary artery in the fetus. See also patent ductus arteriosus. patent ductus arteriosus abnormal persistence after birth of an open lumen in the ductus arteriosus, connecting the aorta and the pulm...
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ductus arteriosus

(from the article `childhood disease and disorder`) A specific cardiovascular problem common in the preterm infant is patent ductus arteriosus, which is the persistence of an essential feature of fetal ... ...and then to the left ventricle and around the body. Deoxygenated blood entering the anterior vena cava fills the right ventricle;...
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Ductus arteriosus

In the developing fetus, the ductus arteriosus (DA), also called the ductus Botalli, is a blood vessel connecting the pulmonary artery to the aortic arch. It allows most of the blood from the right ventricle to bypass the fetus`s fluid-filled non-functioning lungs. Upon closure at birth, it becomes the ligamentum arteriosum. There are two other f.
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Ductus Arteriosus

An open artery that connects the aorta and pulmonary artery in a developing fetus. The blood vessel has to close after birth so that blood can flow properly to the lungs. If the blood vessel fails to close, surgery will be necessary.
Found on http://www.pregnology.com/AZ/D/4

DUCTUS ARTERIOSUS

Blood vessel normally present during fetal life that allows blood to bypass the lungs, which of course are nonfunctional at this time; the ductus normally closes shortly after birth.
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ductus arteriosus

(duk;tus ar-tir;e-o;sus) The blood vessel that connects the pulmonary trunk and the aorta in a fetus.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

ductus arteriosus

(duk;tus ar-tir;e-o;sus) The blood vessel that connects the pulmonary trunk and the aorta in a fetus.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml
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