a prefix meaning âaboutâ or âaroundâ (perimeter, periscope), âenclosingâ or âsurroundingâ (pericardium), and ânearâ (perigee, perihelion), appearing in loanwords from Greek (peripeteia); on this model, used in the formation of compound words (perimorph). Origin of peri- Expand.
Medicine Specialist registrar, a medical doctor in the United Kingdom receiving advanced training in a specialist field Specialty registrar, new training grade intended to replace specialist registrar Senior registrar, type of medical or dental practitioner in the UK, Ireland, and Australia
A medical doctor (also called a physician) is a person who practices medicine to treat illness and injuries. Medical doctors go to medical school to be trained.They usually hold a college degree in medicine. Medical doctors used to make house calls to treat patients at home. Now they usually see patients in their offices or in hospitals. Medical doctors may also work for schools, companies, sports teams, or the military.edical doctors go to medical school to be trained. They usually hold a college degree in medicine. Medical doctors used to make house calls to treat patients at home. Now they usually see patients in their offices or in hospitals.