| pericoronal abscess | An abscess developing in the inflamed dental follicular tissue overlaying the crown of a partially erupted tooth. (05 Mar 2000) |
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| perinephric abscess | An abscess within Gerota's fascia but outside the renal capsule. (05 Mar 2000) |
| periodontal abscess | Localised circumscribed purulent area of inflammation in the periodontal tissue. It is a derivative of marginal periodontitis and commonly associated with suprabony and infrabony pockets and interradicular involvements, in contrast to periapical abscess which is attributable to pulp necrosis. (12 Dec 1998) |
| gravitation abscess | An abscess that breaks down tissue barriers to enter adjacent areas. Synonym: gravitation abscess, hypostatic abscess, migrating abscess, wandering abscess. (05 Mar 2000) |
| perirectal abscess | An abscess in connective tissue adjacent to the rectum or anus. (05 Mar 2000) |
| peritonsillar abscess | An abscess in the peritonsillar tissue extending into the tonsil capsule, resulting from suppuration of the tonsil. (12 Dec 1998) |
| periureteral abscess | An abscess surrounding the ureter. (05 Mar 2000) |
| periurethral abscess | An abscess involving the tissues around the urethra. (05 Mar 2000) |
| ring abscess | An acute purulent inflammation of the corneal periphery in which a necrotic area is surrounded by an annular girdle of leukocytic infiltration. (05 Mar 2000) |
| cholangitic abscess | A focal area of pus formation in the liver resulting from infection arising in the biliary tract. (05 Mar 2000) |
| metastatic abscess | A secondary abscess formed, at a distance from the primary focus, as a result of the transportation of pyogenic bacteria by the lymph or bloodstream. (05 Mar 2000) |
| gummatous abscess | An abscess due to the softening and breaking down of a gumma, especially in bone. Synonym: syphilitic abscess. (05 Mar 2000) |
| root abscess | A pocket of pus adjacent to or within (apical abscess) the tooth's root caused by plaque and calculus invasion. Symptoms include tooth pain and tenderness that may be accompanied by facial swelling and a fever. Treatment includes antibiotics and a thorough cleansing of the infected site by a dentist. See: apical abscess. (27 Sep 1997) |
| chronic abscess | A long-standing collection of pus surrounded by fibrous tissue. (05 Mar 2000) |
| phlegmonous abscess | Circumscribed suppuration characterised by intense surrounding inflammatory reaction which produces induration and thickening of the affected area. (05 Mar 2000) |