| MAT | manual arts therapist; master of arts in technology; mean absorption time; medical assistance team (... |
|---|---|
| MCA | major coronary artery; Maternity Center Association; medical care administration; methylcholanthrene... |
| MCA/MR | multiple congenital anomaly/mental retardation [syndrome] |
| MCD | magnetic circular dichroism; mast-cell degranulation; mean cell diameter; mean of consecutive differ... |
| MCE | medical care evaluation; military clinical engineering; multicystic encephalopathy; multiple cartila... |
| Pautrier's abscess | A microscopic lesion in the epidermis, seen in mycosis fungoides; it is composed of the same type of atypical mononuclear cells as those that form the infiltrate in the corium. Synonym: Pautrier's abscess. (05 Mar 2000) |
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| residual abscess | An abscess recurring at the site of a former abscess resulting from persistence of microbes and pus. (05 Mar 2000) |
| pelvic abscess | An abscess in the pelvic peritoneal cavity, developing as a complication of diffuse peritonitis or of localised peritonitis associated with abdominal or pelvic inflammatory disease, such as salpingitis; the pus frequently collects in the rectovesical or rectouterine pouch. (05 Mar 2000) |
| retrobulbar abscess | A circumscribed collection of pus within the orbit; frequently an extension of purulent infection of the paranasal sinuses, usually the ethmoids. Synonym: retrobulbar abscess. (05 Mar 2000) |
| retrocaecal abscess | An abscess located posterior to the caecum, usually resulting from perforation of a retrocaecal appendix. (05 Mar 2000) |
| retropharyngeal abscess | A soft tissue infection of the throat with entry usually by the pharynx but sometimes as an extension of a lateral neck infection resulting from a neck injury. The major risk is upper airway obstruction caused by pharyngeal swelling. (daniel r. Masys, from a written communication) (12 Dec 1998) |
| perforating abscess | An abscess that breaks down tissue barriers to enter adjacent areas. Synonym: gravitation abscess, hypostatic abscess, migrating abscess, wandering abscess. (05 Mar 2000) |
| perianal abscess | <surgery> An abscess that forms adjacent to the anal opening. Symptoms include a tender swelling adjacent to the anus and pain on defecation. (27 Sep 1997) |
| periapical abscess | <dentistry> Acute or chronic inflammation of tissues surrounding the apical portion of a tooth, associated with the collection of pus, resulting from infection following pulp infection through a carious lesion or as a result of an injury causing pulp necrosis. (12 Dec 1998) |
| periappendiceal abscess | An intraperitoneal abscess, usually in the right iliac fossa, resulting from extension of infection in acute appendicitis, especially with perforation of the appendix. Synonym: periappendiceal abscess. (05 Mar 2000) |
| periarticular abscess | An abscess surrounding a joint, not necessarily involving it. (05 Mar 2000) |
| cheesy abscess | An abscess that contains necrotic tissue with a cheese-like consistency; typically seen in tuberculosis. (05 Mar 2000) |
| pericemental abscess | An alveolar abscess located along the lateral root surface of a tooth. Synonym: pericemental abscess. (05 Mar 2000) |
| pericoronal abscess | An abscess developing in the inflamed dental follicular tissue overlaying the crown of a partially erupted tooth. (05 Mar 2000) |
| perinephric abscess | An abscess within Gerota's fascia but outside the renal capsule. (05 Mar 2000) |