| COS | cheiro-oral syndrome; chief of staff; Clinical Orthopaedic Society; clinically observed seizures |
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| IAOM | International Association of Oral Myology |
| KB | human oral epidermoid carcinoma cells; Kashin-Bek [disease]; ketone body; kilobyte; Kleihauer-Betke ... |
| MOPV | monovalent oral poliovirus vaccine |
| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
| lichen planus, oral | Oral lesions accompanying cutaneous lichen planus or often occurring alone. The buccal mucosa, lips, gingivae, floor of the mouth, and palate are usually affected (in a descending order of frequency). Typically, oral lesions consist of radiating white or gray, velvety, threadlike lines, arranged in a reticular pattern, at the intersection of which there may be minute, white, elevated dots or streaks (wickham's striae). (12 Dec 1998) |
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| live oral poliovirus vaccine | Inactivated poliovirus vaccine (IPV), an aqueous suspension of inactivated strains of poliomyelitis virus (types 1, 2, and 3) used by injection; has largely been replaced by the oral vaccine. See: Salk vaccine. (05 Mar 2000) |