It is blocking sensation to a certain area. For example, if you are surgically removing say a mole on your leg, your physician will use a block, typically lidocaine or novacaine to numbs the mole and the area surrounding the mole. Local anesthesia is used when patients are awake and not under general anesthesia.

Dr. Shobhit

almost 6 years ago

Any technique to induce absence of sensation of a specific part of body specially pain.