epidural

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epidural

 [ep″ĭ-du´ral]
situated upon or outside the dura mater.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ep·i·du·ral

(ep'i-dū'răl),
On (or outside) the dura mater. [Usage note: epidural and extradural are nearly synonymous, with the exception that epidural implies immediate proximity to the dura mater, and extradural may be unconnected with it.]
See also: extradural.
Synonym(s): peridural
Farlex Partner Medical Dictionary © Farlex 2012

epidural

(ĕp′ĭ-do͝or′əl, -dyo͝or′-)
adj.
Located on or over the dura mater.
n.
An injection into the epidural space of the spine.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

epidural

adjective Referring to the space between the bone of vertebral column and the meninges of the brain or spinal cord noun An epidural injection administered in the epidural space of the vertebral column
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

ep·i·du·ral

(ep'i-dūr'ăl)
On (or outside) the dura mater.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

epidural

External to the DURA MATER, the outer of the three MENINGES covering the brain and spinal cord.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005