| 词汇 | ductus-arteriosus |
| 语种 | 英语、汉语、英汉翻译、汉英翻译 |
| 释义 | ductus arteriosus noun[ S ] anatomy specializeduk /ˌdʌk.təs ɑːˌtɪə.riˈəʊ.səs/ us /ˌdʌk.təs ɑːrˌtɪr.iˈoʊ.sɪs/ a short, wide blood vessel in a fetus(= a baby before it is born) that connects the pulmonary artery to the aorta and moves blood directly to the heart without going through the lungs : The ductus arteriosus is a vascular fetal structure that usually closes in the first 48 hours after birth. She was diagnosed with patent ductus arteriosus, where a heart duct which stops blood flow into the lungs fails to close at birth. The ductus arteriosus connects the aorta to the pulmonary artery during fetal life and effectively shunts fetal circulation away from the lungs. The malformations included serious heart or major vessels anomalies, such as no ductus arteriosus. Patent ductus arteriosus (PDA) is a heart problem that is usually noted in the first few weeks or months after birth. The circulatory system & blood ABO accessory pathway adventitia adventitial ANA auricle bicuspid valve gamma globulin glomus granulocyte haematogenous haemic haemodialysis phagocyte precava pulmonary artery pulmonary vein pulmonic Purkinje fibre tricuspid valve See alsoforamen ovale |
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