Anaesthesia is the absence of pain and other sensation in all or part of your body. Australia is the safest place in the world to have an anaesthetic. Australian anaesthetists are very proud of this fact.
This is a state of carefully controlled reversible unconsciousness where an anesthetist monitors your body functions very carefully.
This is a state of unconsciousness from which you are easily roused. You may be aware of your surroundings. It often accompanies some form of local anaesthesia.
Part of the body is made numb using an injected local anaesthetic medicine. The most common examples are spinal and epidural anaethetics where the lower half of the body is made temporarily numb. Eye local anaesthetics and arm blocks are other common examples.
This is where local anaesthetic is used to numb the skin. You are usually awake or lightly sedated whilst the surgery is performed.