N-butyl 2- cyanoacrylate (NBCA) is gently deposited proximally to the arterial tear or at the level of the stump of the traumatized artery after superselective microcatheterization.
在超选微导管置入后，向撕裂血管的近端或损伤血管的残端轻缓注入N-羟丁基2-氰基丙烯酸酯（NBCA。
The verb tear, which goes back to Middle Engl. tere(n), had open long e, so that its spelling is justified.
动词tear可以追溯到中古英语tere(n), 包含开元音长音e，因此它的拼写是合理的。 Tear（眼睛里的一滴水）有着同样的开元音长音e。
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