DNA (deoxyribonucleic acid) is the genomic material in cells that contains the genetic information used in the development and functioning of all known living organisms. DNA, along with RNA and proteins, is one of the three major macromolecules that are essential for life.
Further information: Osteopathic medicine in the United States. Doctor of Osteopathic Medicine (D.O.) is a professional doctoral degree for physicians and surgeons offered by medical schools in the United States. A D.O. degree graduate may become licensed as an osteopathic physician, having equivalent rights, privileges, and responsibilities as a physician who has earned the Doctor of Medicine (M.D.) degree.
Medical Definition of D.O. D.O.: Abbreviation for Doctor of Osteopathy, an osteopathic physician. Osteopathy is a system of therapy founded in the 19th century based on the concept that the body can formulate its own remedies against diseases when the body is in a normal structural relationship, has a normal environment and enjoys good nutrition.