| MAD | Major Antigenic Determinant |
|---|---|
| MHC | Major Histocompatibility Complex |
| EMM | erythema multiforme major |
| HMC | hand-mirror cell; health maintenance cooperative; heroin, morphine, and cocaine; histocompatibility ... |
| MAC | MacConkey [broth]; major ambulatory category; malignancy-associated changes; maximum allowable conce... |
| pillar of iris | 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) |
|---|---|
| plateau iris | In angle-closure glaucoma, a flat appearance of the iris rather than a forward convexity. (05 Mar 2000) |
| posterior surface of iris | The posterior surface of the iris. Synonym: facies posterior iridis. (05 Mar 2000) |
| crypts of iris | Pits near the pupillary margin of the anterior surface of the iris. Spaces in the anterior iris stroma through which the aqueous washes with every pupillary movement. (05 Mar 2000) |
| herpes iris | Concentric rings of erythema varying in intensity, characteristic of erythema multiforme. Synonym: herpes iris. (05 Mar 2000) |
| pupillary border of iris | The inner border of the iris that forms the edge of the pupil. Synonym: margo pupillaris iridis, pupillary margin of iris. (05 Mar 2000) |
| pupillary margin of iris | The inner border of the iris that forms the edge of the pupil. Synonym: margo pupillaris iridis, pupillary margin of iris. (05 Mar 2000) |
| stroma of iris | The delicate vascular connective tissue that lies between the anterior surface of the iris and the pars iridica retinae. Synonym: stroma iridis. (05 Mar 2000) |
| iris | Origin: L. Iris, iridis, the goddess, Gr, the rainbow, iris of the eye, the plant Iris. Cf. Orris. 1. The goddess of the rainbow, and swift-footed messenger of the gods. 2. The rainbow. 3. An appearance resembling the rainbow; a prismatic play of colours. 4. <anatomy> The contractile membrane perforated by the pupil, and forming the coloured portion of the eye. See Eye. 5. <botany> A genus of plants having showy flowers and bulbous or tuberous roots, of which the flower-de-luce (fleur-de-lis), orris, and other species of flag are examples. Source: Websters Dictionary (01 Mar 1998) |
| iris bicolor | A variegated or two-coloured iris. Synonym: monocular heterochromia. (05 Mar 2000) |
| iris bombe | A condition occurring in posterior annular synechia, in which an increase of fluid in the posterior chamber causes a forward bulging of the peripheral iris. (05 Mar 2000) |
| iris dehiscence | A defect of the eye characterised by multiple holes in the iris. (05 Mar 2000) |
| iris diaphragm | <microscopy> A diaphragm with thin metal leaves so arranged that the rotation of an actuating lever varies the diameter. (05 Aug 1998) |
| iris diseases | Diseases, dysfunctions, or disorders of or located in the iris. (12 Dec 1998) |
| iris freckles | Small, pigmented clusters of uveal melanocytes on the surface of the iris. (05 Mar 2000) |