左锁骨下动脉和右锁骨下动脉形成胸内动脉和肋颈动脉干。
The left subclavian artery and the right subclavian artery form the internal thoracic artery and the costocervical trunk.
发出肋缘动脉后67%的肋缘动脉比腹壁下动脉本干粗。
After dividing into subcostal artery, the outer diameter of 67 percent of subcostal artery was bigger than that of inferior abdomen arteries.
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