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Ductus arteriosus

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ductus ar·te·ri·o·sus (är-tîr-ss)
n.
A fetal vessel that connects the left pulmonary artery with the descending aorta and that normally closes at birth, becoming the arterial ligament. Also called arterial canal, arterial duct, Botallo's duct.

Ductus arteriosus
The temporary channel or blood vessel between the aorta and pulmonary artery in the fetus.

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9) Moreover, because they are both prostaglandin synthetase inhibitors, ibuprofen and naproxen could, in theory, cause premature closure of the ductus arteriosus.
Further analysis of the circulatory/respiratory category showed that the strongest effects were observed for the "other" subcategory (ICD-9 747-748), which excludes heart malformations (ICD-9 745-746) but includes anomalies of the aorta, patent ductus arteriosus, other anomalies of the circulatory system, and all anomalies of the respiratory system.
The etiology of maternal rubella syndrome stems from affected tissue development of the newborn of those whose mothers have been exposed to the rubella virus (German measles) during the first trimester of pregnancy Symptoms include "hepatosplenomegaly, interstitial pneumonia, congenital heart defects (patent ductus arteriosus, stenosis of pulmonary trunk), low birth weight, congenital cataracts, purpura, hearing loss, inguinal hernias, mental retardation" (Magalini, 1971, pp.
 
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