| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; matern... |
|---|---|
| mA, ma | milliampere; meter-angle |
| MAR | main admissions room; marasmus; marrow; maximal aggregation ratio; medication administration record;... |
| MAS | magic angle spinning; Manifest Anxiety Scale; maximum average score; McCune-Albright syndrome; mecon... |
| NAG | N-acetyl-D-glucosaminidase; narrow-angle glaucoma; nonagglutinable |
| mastoid angle of parietal bone | The posteroinferior point of the parietal bone. Synonym: angulus mastoideus ossis parietalis. (05 Mar 2000) |
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| maxillary angle | The angle formed by a line drawn from the ophryon and another from the point of the mandible and meeting at the contact between the upper and lower incisor teeth. (05 Mar 2000) |
| refracting angle of a prism | The angle between two plane surfaces of a prism. Synonym: refracting angle of a prism. (05 Mar 2000) |
| refraction, angle of | <microscopy> The acute angle between the normal to a refracting surface at the point of incidence, and the refracted ray. (05 Aug 1998) |
| glaucoma, angle-closure | A form of glaucoma in which the intraocular pressure increases because the angle of the anterior chamber is blocked and the aqueous humor cannot drain from the anterior chamber. (12 Dec 1998) |
| glaucoma, open-angle | Glaucoma in which the angle of the anterior chamber is open and the trabecular meshwork does not encroach on the base of the iris. (12 Dec 1998) |
| cavity line angle | In dentistry, the angle formed by two walls of a cavity, e.g., a tooth cavity, meeting along a line. (05 Mar 2000) |
| Virchow-Holder angle | An angle formed by the meeting of a line drawn from the middle of the nasofrontal suture to the base of the anterior nasal spine with a line drawn from this last point to the centre of the external auditory meatus. Synonym: Virchow-Holder angle. (05 Mar 2000) |
| Virchow's angle | An angle formed by the meeting of a line drawn from the middle of the nasofrontal suture to the base of the anterior nasal spine with a line drawn from this last point to the centre of the external auditory meatus. Synonym: Virchow-Holder angle. (05 Mar 2000) |
| cavosurface angle | The angle formed by the junction of a cavity wall and the surface of the tooth. (05 Mar 2000) |
| medial angle of eye | The angle formed by the union of the upper and lower eyelids medially. Synonym: angulus oculi medialis, angulus oculi nasalis, internal canthus, medial canthus. (05 Mar 2000) |
| visual angle | The angle formed at the retina by the meeting of lines drawn from the periphery of the object seen. (05 Mar 2000) |
| pectinate ligaments of iridocorneal angle | The network of fibres (pectinate ligaments) at the iridocorneal angle between the anterior chamber of the eye and the venous sinus of the sclera; it contains spaces between the fibres that are involved in drainage of the aqueous humor, and is composed of two portions: the corneoscleral part, the part attached to the sclera, and the uveal part, the part attached to the iris. Synonym: reticulum trabeculare sclerae, Gerlach's valvula, Hueck's ligament, ligamentum annulare bulbi, pectinate ligaments of iridocorneal angle, pillar of iris, trabecular meshwork, trabecular network, trabecular zone. (05 Mar 2000) |
| Vogt's angle | A craniometric angle formed by the nasobasilar and alveolonasal lines. Origin: K. Vogt (05 Mar 2000) |
| cephalic angle | One of several angle's formed by the intersection of two lines passing through certain points of the face or cranium. (05 Mar 2000) |