Meaning of focal infection

fo'cal infec"tion

Pronunciation: [key]
— Pathol., Pathol.,Dentistry.
  1. an infection in which bacteria are localized in some region, as the tonsils or the tissue around a tooth, from which they may spread to some other organ or structure of the body.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.