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
Medical doctors (MDs) are physicians who work in hospitals, clinics, medical centers, or private practices. MDs treat people for illnesses and injuries. They also prescribe medications, order diagnostic tests, diagnose ailments, and record patient information. Doctors of medicine often have a specialization such as general practice, gynecology, dermatology, pediatric medicine, orthopedics, or many others.