spinal anesthesia

spinal anesthesia

n.

1. Anesthesia produced by injection of a local anesthetic solution into the spinal subarachnoid space.

2. Loss of sensation produced by disease of the spinal cord.

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spinal anesthesia,

n a state of insensitivity to pain in the lower part of the body produced by injection of an analgesic or anesthetic drug into the subarachnoid space of the spinal cord. See anesthesia.