granuloma
noun
- inflammation consisting of immune cells known as macrophages
Wiktionary
Pronunciation: /ˌɡɹæn.jəˈləʊ̯.mə/ / /ˌɡɹæn.jʊˈləʊ̯.mə/ / /ˌɡɹæ.nuˈləʊ̯.mə/
noun
Etymology: From granule + -oma. Among the many words derived from -oma that are in current common use, this word is one of only a few that do not denote a neoplasm; another is hematoma.
- An inflammatory nodule consisting of histiocytes (macrophages) attempting to wall off substances they perceive as foreign but are unable to eliminate, such as certain infectious organisms as well as other materials such as foreign objects, keratin and suture fragments.
- Any small nodule.