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单词 portacaval
释义

portacavaladj.

Brit. /ˌpɔːtəˈkeɪvl/, U.S. /ˌpɔrdəˈkeɪv(ə)l/
Forms:

α. 1900s– portocaval.

β. 1900s– portacaval.

Origin: Formed within English, by derivation. Etymons: portal adj., -o- connective, cava n.1, -al suffix1.
Etymology: In α form < port- (in portal adj.) + -o- connective + cava n.1 + -al suffix1. In β form < porta- (in portal adj.) + cava n.1 + -al suffix1.
Surgery.
Designating or relating to a communication between the portal vein and the superior or inferior vena cava. portacaval shunt n. a surgical procedure creating such an anastomosis.
ΘΚΠ
the world > health and disease > healing > medical treatment > surgery > operations on specific parts or conditions > [adjective] > operations on veins
portacaval1907
portosystemic1939
1907 Lancet 30 Mar. 883/2 Fresh porto-caval communications..were usually effected by suture of the omentum to the abdominal wall.
1945 Ann. Surg. 122 488 Every one of the ten cases of portacaval shunts..went through a successful postoperative convalescence.
1958 A. H. Hunt Contrib. Study Portal Hypertension xii. 99 The history of the modern operative treatment of portal hypertension begins with Eck who suggested in 1877 that his portacaval anastomosis applied to human beings would provide the correct treatment for portal stasis.
1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxx. 47/1 Little blood passes through these porto-caval anastomoses in health.
1988 E. Segal Doctors xxxix. 494 His first ‘real’ assignment was an extremely complex portacaval shunt.
2004 Transplantation Proc. 36 1007 This article sought to analyze the effect of portocaval shunt in small-for-size liver grafts in pigs.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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adj.1907
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