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.

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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.

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