epidural

(ep′ə do̵orəl, -dyo̵or-)

adjective

on or outside the dura mater

Origin: epi- + dur(a mater) + -al

noun

anesthesia of the lower part of the body, by the epidural injection of a local anesthetic

See epidural in American Heritage Dictionary 4

adjective
Located on or over the dura mater.
noun
An injection into the epidural space of the spine.

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