1. On or outside the dura mater
   - extradural

1. Regional anaesthesia resulting from injection of an anaesthetic 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

Derived forms: epidurals

See also: dura mater

Type of: regional anaesthesia [Brit, Cdn], regional anesthesia [N. Amer]

Encyclopedia: Epidural

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