Nerve block anaesthesia, also known as regional anaesthesia, is a medical procedure used to numb specific areas of the body during surgery or other medical procedures. There are several synonyms for nerve block anaesthesia, including nerve block, regional nerve block, local anaesthesia, and local nerve block. These terms all refer to the same procedure, which involves injecting a local anaesthetic near a specific nerve or group of nerves to block the transmission of pain signals and achieve temporary numbness in a particular area of the body. Other synonyms for nerve block anaesthesia may include nerve block injection, nerve block anesthesia, or just simply a block.