The best way to learn medical terminology is to become familiar with the structure and the most commonly used components. Basic Components of Medical Terms. Most medical terms consist of three basic components: root word (the base of the term), prefixes (letter groups in front of the root word) and suffixes (letter groups at the end of the root word). When placed together, these three components define a particular medical term.
Vicar general. A vicar general (previously, archdeacon) is the principal deputy of the bishop of a diocese for the exercise of administrative authority and possesses the title of local ordinary.
As the original notion a vicar is of earthly representative of God or Christ  but also used in sense of person acting as parish priest in place of a real parson. The title is now used in Catholicism to refer to the bishops and more specifically to the Bishop of Rome (the pope).s the original notion a vicar is of earthly representative of God or Christ  but also used in sense of person acting as parish priest in place of a real parson. The title is now used in Catholicism to refer to the bishops and more specifically to the Bishop of Rome (the pope).