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[ep-i-doo r-uh l, -dyoo r-] /ˌɛp ɪˈdʊər əl, -ˈdyʊər-/

Anatomy. situated on or outside the dura mater.
Pharmacology. .
Also extradural. upon or outside the dura mater
Also called epidural anaesthesia


1882, from epi- + dura (mater) (see dura mater). The noun meaning “injection into the epidural region” (usually during childbirth) is attested by 1970.

epidural ep·i·du·ral (ěp’ĭ-dur’əl, -dyur’-)
Located on or over the dura mater. n.
An injection into the epidural space of the spine.
Adjective Located on or over the dura mater.

Noun An injection into the epidural space of the spine, as an epidural anesthetic.


Read Also:

  • Epidural-anesthesia

    noun 1. anesthesia produced by the injection of an anesthetic into the lumbar area of the spine in the space between the spinal cord and the dura, which eliminates sensation from the point of insertion downward, used especially in childbirth. epidural anesthesia n. Regional anesthesia produced by injection of a local anesthetic into the epidural […]

  • Epidural block

    epidural block n.

  • Epidural hematoma

    epidural hematoma n. See extradural hemorrhage.

  • Epidural space

    epidural space n. The space between the walls and the dura mater of the vertebral canal.

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