| 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 |
| vena azygos minor inferior | <anatomy, vein> Formed by the merger of the left ascending lumbar vein with the left subcostal vein or a communication from the inferior vena cava, it pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower thoracic vertebrae, opposite the eighth vertebra, crosses the midline behind the aorta, thoracic duct, and oesophagus, and empties into the azygos vein, sometimes in common with the accessory hemiazygos vein. Synonym: vena hemiazygos, vena azygos minor inferior. (05 Mar 2000) |
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| vena azygos minor superior | <anatomy, vein> Formed by the union of the fourth to seventh left posterior intercostal veins, passes along the side of the bodies of the fifth, sixth, and seventh thoracic vertebrae, then crosses the midline behind the aorta, oesophagus, and thoracic duct, and empties into the azygos vein, sometimes in common with the hemiazygos vein. Synonym: vena hemiazygos accessoria, vena azygos minor superior. (05 Mar 2000) |
| globus minor | The inferior part of the epididymis that leads into the ductus deferens; part of the reservoir of spermatozoa. Synonym: cauda epididymidis, cauda epididymis, globus minor. (05 Mar 2000) |
| pectoralis minor | <anatomy, muscle> Origin, third to fifth ribs at the costochondral articulations; insertion, tip of coracoid process of scapula; action, draws down scapula or raises ribs; nerve supply, medial pectoral nerve. Synonym: musculus pectoralis minor, smaller pectoral muscle. (05 Mar 2000) |
| pelvis justo minor | A pelvis of the female type, but with all its diameters smaller than normal. (05 Mar 2000) |
| 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) |
| 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) |