Dermatology is the branch of medicine dealing with the skin. It is a specialty with both medical and surgical aspects.
Cardiology is a branch of medicine that deals with the disorders of the heart as well as some parts of the circulatory system.
Surgery is a medical specialty that uses operative manual and instrumental techniques on a person to investigate or treat a pathological condition such as a disease or injury, to help improve bodily function or appearance or to repair unwanted ruptured areas.
Pediatrics is the branch of medicine that involves the medical care of infants, children, and adolescents.