extradural anesthesia

ex·tra·du·ral an·es·the·si·a

anesthetization, by local anesthetics, of nerves near the spinal canal external to the dura mater; often refers to epidural anesthesia, but may include paravertebral anesthesia.

ex·tra·du·ral an·es·the·si·a

(ekstră-dūrăl an-es-thēzē-ă) Anesthetization, by local anesthetics, of nerves near the spinal canal external to the dura mater; often refers to epidural anesthesia, but may include paravertebral anesthesia.