| AMSU | ambulatory minor surgery unit |
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| MAS | magic angle spinning; Manifest Anxiety Scale; maximum average score; McCune-Albright syndrome; mecon... |
| MDM | medical decision making; mid-diastolic murmur; minor determinant mix [penicillin] |
| MGL | minor glomerular lesion |
| MIHA | minor histocompatibility antigen |
| pelvis minor | The cavity of the pelvis below the brim or superior aperture. Synonym: pelvis minor, pelvis vera, small pelvis, true pelvis. (05 Mar 2000) |
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| rhomboid minor | <anatomy, muscle> Origin, spinous processes of sixth and seventh cervical vertebrae; insertion, medial margin of scapula above spine; action, draws scapula toward vertebral column and slightly upward; nerve supply, dorsal nerve of scapula. Synonym: musculus rhomboideus minor, lesser rhomboid muscle. (05 Mar 2000) |
| pestis minor | ambulant plague |
| chorea minor | A postinfectious chorea appearing several months after a streptococcal infection with subsequent rheumatic fever. The chorea typically involves the distal limbs and is associated with hypotonia and emotional lability. Improvement occurs over weeks or months and exacerbations occur without associated infection recurrence. Synonym: acute chorea, chorea minor, chorea, juvenile chorea, rheumatic chorea, Sydenham's disease. (05 Mar 2000) |
| circulus arteriosus iridis minor | An arterial circle near the pupillary margin of the iris. Synonym: circulus arteriosus iridis minor. (05 Mar 2000) |
| minor | 1. Inferior in bulk, degree, importance, etc.; less; smaller; of little account; as, minor divisions of a body. 2. Less by a semitone in interval or difference of pitch; as, a minor third. <medicine> Asia Minor The form of the minor scale is various. The strictly correct form has the third and sixth minor, with a semitone between the seventh and eighth, which involves an augmented second interval, or three semitones, between the sixth and seventh, as, 6/F, 7/G#, 8/A. But, for melodic purposes, both the sixth and the seventh are sometimes made major in the ascending, and minor in the descending, scale, thus: See Major. <logic> Minor term of syllogism, the subject of the conclusion. Origin: L, a comparative with no positive; akin to AS. Min small, G. Minder less, OHG. Minniro, a, min, adv, Icel. Minni, a, minnr, adv, Goth. Minniza, a, mins, adv, Ir. & Gael. Min small, tender, L. Minuere to lessen, Gr, Skr. Mi to damage. Cf. Minish, Minister, Minus, Minute. Source: Websters Dictionary (01 Mar 1998) |
| minor agglutinin | Immune agglutinin present in an antiserum in lesser concentration than the major agglutinin. Synonym: partial agglutinin. (05 Mar 2000) |
| minor amputation | Amputation of a hand or foot or any parts of either. (05 Mar 2000) |
| minor calices | The subdivisions of the major calices, varying in number from 7 to 13, which receive the renal papillae. Synonym: calices renales minores. (05 Mar 2000) |
| minor connector | The connecting link (tang) between the major connector or base of a partial denture and other units of the prosthesis, such as clasps, indirect retainers, and occlusal rests. (05 Mar 2000) |
| minor duodenal papilla | The site of the opening of the accessory pancreatic duct into the duodenum, located anterior to and slightly superior to the major papilla. Synonym: papilla duodeni minor, Santorini's minor caruncle. Nerve papilla, one of the papillae in the dermis containing a tactile corpuscle or other form of end organ. Synonym: neurothele. (05 Mar 2000) |
| minor fissure | The deep fissure that separates the upper and middle lobes of the right lung. Synonym: fissura horizontalis pulmonis dextri, horizontal fissure of right lung, minor fissure. (05 Mar 2000) |
| minor forceps | Frontal radiation of the corpus callosum; that part of the fibre radiation of the corpus callosum which bends forward toward the frontal pole of the cerebrum. Synonym: forceps minor, forceps anterior, frontal part of corpus callosum, pars frontalis corporis callosi. (05 Mar 2000) |
| minor hippocampus | The lower of two elevations on the medial wall of the posterior horn of the lateral ventricle of the brain, caused by the depth of the calcarine sulcus. Synonym: Haller's unguis, hippocampus minor, minor hippocampus, Morand's spur, unguis avis. (05 Mar 2000) |
| minor histocompatibility antigens | Allelic alloantigens often responsible for weak graft rejection in cases when (major) histocompatibility has been established by standard tests. In the mouse they are coded by more than 500 genes at up to 30 minor histocompatibility loci. The most well-known minor histocompatibility antigen in mammals is the h-y antigen. (12 Dec 1998) |