| 单词 | bypass surgery |
| 释义 | > as lemmasbypass surgery b. A permanent alternative pathway (usually avoiding an obstruction or constriction) created surgically within the circulatory system (esp. in or near the heart or brain), alimentary canal, etc., incorporating a transplanted or synthetic vessel or chamber; also, an operation to create such an alternative route, or an artificial device incorporating one. Frequently attributive, esp. as bypass operation, bypass surgery. ΘΚΠ the world > health and disease > healing > medical treatment > surgery > operations on specific parts or conditions > [noun] > operations to create a bypass bypass1964 1964 W. A. Larmon in L. Davis Christopher's Textbk. Surg. (ed. 8) xxix. 1275/2 The saphenous vein is used for by-passing, replacing or patching the femoral and popliteal arteries. When it is normal, its accessibility is a great advantage. However, it is not always available in sufficient length for by-pass surgery. 1970 Sci. News Yearbk. 84 The DeBakey bypass, a spherical plastic chamber the size of an apple, skirts the heart's left ventricle, through which blood is normally pumped, and offers a parallel route. 1972 P. F. Nora Operative Surg. xxxvii. 795 (caption) Bypass from subclavian to left carotid artery. 1984 A. Smith Mind iv. xiv. 275 Neurosurgeons are now performing bypass operations to rearrange certain blood vessels over the brain. 1986 Daily News (N.Y.) 23 May 65/3 A hospital spokeswoman said [he]..was awake and in stable condition after his bypass operation. < as lemmas |
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