regional anesthesia resulting from injection of an anesthetic into the epidural space of the spinal cord; sensation is lost in the abdominal and genital and pelvic areas; used in childbirth and gynecological surgery
Adjective:
on or outside the dura mater
epidural的用法和樣例：
例句
用作形容詞 (adj.)
Epidurals are now often used during childbirth. 現在分娩時常用硬膜外注射。
Some mothers choose to have an epidural when giving birth. 有的母親分娩時選擇硬膜外麻醉。
In three cases,the epidural infusion was combined with the general anesthetic. 有三例患者，在他們體內使用了硬膜外麻醉與全身麻醉同時應用。
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