Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D004374
http://purl.bioontology.org/ontology/MESH/D004374
Preferred Name

Ductus Arteriosus, Patent

Definitions
A congenital heart defect characterized by the persistent opening of fetal DUCTUS ARTERIOSUS that connects the PULMONARY ARTERY to the descending aorta (AORTA, DESCENDING) allowing unoxygenated blood to bypass the lung and flow to the PLACENTA. Normally, the ductus is closed shortly after birth.
Synonyms
Patent Ductus Arteriosus Familial
Patency of the Ductus Arteriosus
Patent Ductus Arteriosus
Type http://www.w3.org/2002/07/owl#Class
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