What are operating department practitioners and anaesthetic department practitioners in UK healthcare?

Operating department practitioner is another name for a surgeon and aesthetic etc is someone who has done a medical degree and then specialised in anaesthetics which both take around 7 years and a theatre nurse is a qualified nurse who done further training in the theatre which is a 3 year degree. Some general nurses also do theatre work as my daughter is a nurse and has done theatre work which she did not like and now a community nurse.