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epidural |
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epidural /epi·du·ral/ (-dūr´il) situated upon or outside the dura mater.
epidural [ep′idoo͡r′əl] Etymology: Gk, epi + dura, hard outside or above the dura mater. epidural [ep″ĭ-du´ral] situated upon or outside the dura mater.
epidural pertaining to or emanating from the dura mater. epidural anesthesia produced by injecting local anesthetic agent into the epidural space of the spinal canal at the first or second intercoccygeal space. Injection of a small amount of anesthetic agent produces anesthesia of the perineum without paralysis of the hindlimbs, a low epidural. Injection of a large volume at the same site produces a high epidural. The same effect is achieved by injecting the anesthetic at the lumbosacral or first interlumbar space. Called also extradural anesthesia, or analgesia, extradural block, epidural block. epidural block see epidural anesthesia (above). segmental dorsolumbar epidural block
injection of local anesthetic into the epidural space between the first two lumbar vertebrae produces anesthesia of both flanks. Used for standing abdominal surgery in horses or cattle. 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 How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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