Princeton's WordNet(4.75 / 4 votes)Rate this definition: 1  light, illumination(noun) a condition of spiritual awareness; divine illumination. 2  illumination(noun) the degree of visibility of your environment. 3  clarification, elucidation, illumination(noun) an interpretation that removes obstacles to understanding.
The injection for a brachial plexus block is in the. side of your neck, or in your armpit, or close to your collar bone. Other. nerves can be blocked near the elbow, or in the forearm, wrist or hand. Sedation is commonly given before the injection is done.
A nerve block is the injection of numbing medication (local anesthetic) near specific nerves to decrease your pain in a certain part of your body during and after surgery. nerve block is the injection of numbing medication (local anesthetic) near specific nerves to decrease your pain in a certain part of your body during and after surgery.