| PMA | index of prevalence and severity of gingivitis, where P = papillary gingiva, M = marginal gingiva, a... |
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| PPCRA | pigmented paravenous chorioretinal atrophy |
| PPMA | progressive postmyelitis muscular atrophy |
| PSMA | proximal spinal muscular atrophy |
| SBMA | spinal bulbar muscular atrophy |
| familial spinal muscular atrophy | Transmitted as autosomal recessive on chromosome 5q. Progressive dysfunction of the anterior horn cells in the spinal cord and brainstem cranial nerves with profound weakness and bulbar dysfunction occurring in the first two years of life. Three groups, based on age of clinical onset, are recognised. Synonym: familial spinal muscular atrophy, Hoffmann's muscular atrophy, infantile muscular atrophy, infantile progressive spinal muscular atrophy, progressive infantile spinal muscular atrophy, Werdnig-Hoffmann disease, Werdnig-Hoffmann muscular atrophy. (05 Mar 2000) |
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| Kienbock's atrophy | Acute atrophy of bone in an extremity following inflammation. (05 Mar 2000) |
| fatty atrophy | Fatty infiltration secondary to an atrophy of the essential elements of an organ or tissue. (05 Mar 2000) |
| Zimmerlin's atrophy | A variety of hereditary progressive muscular atrophy in which the atrophy begins in the upper half of the body. (05 Mar 2000) |
| linear atrophy | Bands of thin wrinkled skin, initially red but becoming purple and white, which occur commonly on the abdomen, buttocks, and thighs at puberty and/or during and following pregnancy, and result from atrophy of the dermis and overextension of the skin; also associated with ascites and Cushing's syndrome. Synonym: atrophoderma striatum, lineae albicantes, lineae atrophicae, linear atrophy, stretch marks, stria, striae atrophicae, striate atrophy of skin, traction atrophy, vergeture. (05 Mar 2000) |