regional anesthesia n anesthesia of a region of the body accomplished by a series of encircling injections of an anesthetic compare BLOCK ANESTHESIA
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the production of insensibility of a part by interrupting the sensory nerve conductivity from that region of the body; it may be produced by either field block or nerve block (see under block). Called also block, blockade, block a., and conduction a.Medical dictionary. 2011.