Medicine and surgery.

1. reconstruct

1.1. procedures

1.1.1. a doctor will perform reconstruction procedures on a patient who needs it urgently.

2. surgeon

2.1. scalpel

2.1.1. doctor needs a scalpel to start the cut .

2.2. surgery

2.2.1. We did surgery five minutes ago.

3. recover

3.1. treat

3.1.1. they recovered after treatment.

4. operation.

4.1. do (an) operation.

4.1.1. she does an operation at the hospital right now.

4.2. anaesthetic

4.2.1. she applied anaesthetic to a patient who requires .

4.3. reduce

4.3.1. do an operation to reduce stomach fat.

4.4. replace

4.4.1. do an operation for replace a teeth

5. inject.

5.1. syringe

5.1.1. I'm going to inject a patient using a specialized syringe.

5.2. needle

5.2.1. I'll inject the needle for a patient who requires it.