| mar | margin; marker [chromosome] |
|---|---|
| MB | Bachelor of Medicine [Lat. Medicinae Baccalaureus]; buccal margin; isoenzyme of creatine kinase cont... |
| MG | Marcus Gunn [pupil]; margin; medial gastrocnemius [muscle]; membranous glomerulonephritis; menopausa... |
| PPA | palpation, percussion, auscultation; pepsin A; phenylpropanolamine; phenylpyruvic acid; Pittsburgh p... |
| RCM | radial contour model; radiographic contrast medium; red cell mass; reinforced clostridial medium; re... |
| superior branch of the superior gluteal artery | <anatomy, artery> Runs between gluteus medius and minimus muscles, supplying both, and continuing to reach tensor fascia lata muscle. Synonym: ramus superior arteriae gluteae superioris. (05 Mar 2000) |
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| superior dental branches of superior dental plexus | Branches passing from the superior dental plexus to the roots of the teeth of the upper jaw. Synonym: rami dentales superiores plexus dentalis superioris. (05 Mar 2000) |
| superior gingival branches of superior dental plexus | Branches of superior dental plexus to gingiva of upper jaw. Synonym: rami gingivales superiores plexus dentalis superioris. (05 Mar 2000) |
| superior lingular branch of lingular branch of superior lobar left pulmonary artery | <anatomy, artery> Branch (of the lingular branch) of the left pulmonary artery serving the superior lingular segment of the superior lobe of the left lung. Synonym: ramus lingularis superior. (05 Mar 2000) |
| anterior margin | The ventral or most forward margin of a structure. Synonym: anterior margin, ventral border. (05 Mar 2000) |
| articular margin | A ring of fibrocartilage attached to the margin of the glenoid cavity of the scapula to increase its depth. Synonym: labrum glenoidale, articular margin, circumferential cartilage, glenoid ligament, glenoidal lip, ligamentum glenoidale. (05 Mar 2000) |
| margin | 1. A border; edge; brink; verge; as, the margin of a river or lake. 2. Specifically: The part of a page at the edge left uncovered in writing or printing. 3. The difference between the cost and the selling price of an article. 4. Something allowed, or reserved, for that which can not be foreseen or known with certainty. 5. Collateral security deposited with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc. Margin draft, that part of a course, as of slates or shingles, which is not covered by the course immediately above it. See Gauge. Synonym: Border, brink, verge, brim, rim. Origin: OE. Margine, margent, L. Margo, ginis. Cf. March a border, Marge. Source: Websters Dictionary (01 Mar 1998) |
| margin of acetabulum | The rim of bone around the acetabulum to which is attached the labrum acetabulare. Synonym: limbus acetabuli, margo acetabularis. (05 Mar 2000) |
| margin of fossa ovalis | A muscular ring surrounding the fossa ovalis in the wall of the right atrium of the heart. Synonym: annulus ovalis, margin of fossa ovalis, Vieussens' annulus, Vieussens' isthmus, Vieussens' limbus, Vieussens' ring. (05 Mar 2000) |
| margin of orbit | The mostly sharp edge of the orbital opening which is the peripheral border of the base of the pyramid-shaped orbit. The superior half of the orbital rim is the supraorbital margin; the inferior half is the infraorbital margin. The frontal, maxillary, and zygomatic bones contribute to the orbital rim, which is generally strong to protect the orbital contents. Weak, potential fracture sites of the rim coincide with the sutures between the participating bones. Synonym: margin of orbit. (05 Mar 2000) |
| margin of safety | The margin between the minimal therapeutic dose and the minimal toxic dose of a drug. (05 Mar 2000) |
| margin of the tongue | The lateral border that separates the dorsum from the inferior surface of the tongue on each side, the two borders meeting anteriorly at the apex. Synonym: margo linguae. (05 Mar 2000) |
| parietal margin | Edge of a bone which articulates with the parietal bone. See: parietal border of frontal bone, parietal border of sphenoid bone, parietal border of temporal bone. Synonym: margo parietalis, parietal margin. (05 Mar 2000) |
| gingival margin | The most coronal portion of the gingiva surrounding the tooth, the edge of the free gingiva. Synonym: cervical margin, gingival crest. (05 Mar 2000) |
| cavity margin | The periphery of a filling, the line of junction between a restoration and the external surface of a tooth. (05 Mar 2000) |