- A relatively small nodular inflammatory lesion containing grouped mononuclear phagocytes, caused by infectious and noninfectious agents.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A mass or nodule of chronically inflamed tissue with granulations that is usually associated with an infective process.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.