5日齢のホルスタイン種,雄で大・肺動脈窓が認められた.大動脈弁と肺動脈弁は円錐中隔で完全に分離され,肺動脈幹の遠位部は閉鎖・消失していた.さらに本心臓には心房中隔欠損,心室中隔欠損,両大血管右室起始,単一冠状動脈などが合併していた.
Aortopulmonary window was observed in a five-day-old male Horstein calf. The aortic and pulmonary valves were completely separated by the conus septum, and the distal part of the pulmonary trunk was atretic and disappeared. The heart was associated with atrial and ventricular septal defects, double outlet right ventricle and single coronary artery.
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子牛に認められた肺動脈閉鎖を伴う大・肺動脈窓の1例
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