epidural Meaning, Definition & Usage

1. noun 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
   epidural anesthesia; epidural anaesthesia.
   
2. adjective on or outside the dura mater
   extradural.
   

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