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ductus arteriosus |
Also found in: Medical, Wikipedia | 0.18 sec. |
ductus arteriosusChannel between the pulmonary artery and the aorta in the fetus, which bypasses the lungs to distribute oxygen received through the placenta from the mother's blood. It normally closes once the baby is born and the lungs inflate, separating the pulmonary and systemic circulations. Closure before birth causes circulatory problems. If the ductus stays open after birth (patent ductus arteriosus, more common in premature births), oxygenated and deoxygenated blood mix. Alone, this may not be serious; in some heart malformations it is even necessary for life. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The first group is usually associated with cardiovascular anomalies such as Tetralogy of Fallot, septal defects, and patent ductus arteriosis. If no action is taken and prostaglandin is discontinued, his ductus arteriosis will close and he will ultimately die. One such condition is called patent ductus arteriosis. |
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