Conclusion It is simp1e and safe to skeletonize die internal mammary artery using the ultrasonic seaiw1.
结论超声刀的应用使内动脉的骨骼化采取变得安全、简单。
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The mammary glands are common to the whole class of mammals, and are indispensable for their existence; they must, therefore, have been developed at an extremely remote period, and we can know nothing positively about their manner of development.
腺是所有哺动物共有的, 是它们生存所不可或缺的;因此,它们一定是在极其遥远的时期发展起来的, 我们对它们的发展方式一无所知。