| tremulous iris | Agitated motion of the iris. Synonym: tremulous iris. Origin: irido-+ G. Doneo, to shake to and fro (05 Mar 2000) |
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| erythema iris | Concentric rings of erythema varying in intensity, characteristic of erythema multiforme. Synonym: herpes iris. (05 Mar 2000) |
| essential progressive atrophy of iris | Progressive atrophy of the iris without inflammatory signs, characterised by patchy loss of all layers of the iris with hole formation, migration of the pupil, degeneration of the corneal endothelium, peripheral anterior synechiae, and secondary glaucoma; usually unilateral, predominantly affecting women in their middle years. (05 Mar 2000) |
| folds of iris | Numerous very fine, almost microscopic, radial folds on the posterior surface of the iris that extend around the pupillary margin. Synonym: plicae iridis. (05 Mar 2000) |
| lesser arterial circle of iris | An arterial circle near the pupillary margin of the iris. Synonym: circulus arteriosus iridis minor. (05 Mar 2000) |
| lesser ring of iris | The narrow inner zone of the iris. Synonym: annulus iridis minor. (05 Mar 2000) |
| lichen iris | Ringworm with concentric rings of erythematous papules. (05 Mar 2000) |
| Adson forceps | A small thumb forceps with two teeth on one tip and one tooth on the other. (05 Mar 2000) |
| alligator forceps | A long forceps with a small hinged jaw on the end. (05 Mar 2000) |
| Allis forceps | A straight grasping forceps with serrated jaws, used to forcibly grasp or retract tissues or structures. (05 Mar 2000) |
| Arruga's forceps | Forceps for the intracapsular extraction of a cataract. (05 Mar 2000) |
| arterial forceps | A locking forceps with sloping blades for grasping the end of a blood vessel until a ligature is applied. (05 Mar 2000) |
| axis-traction forceps | Obstetrical forceps provided with a second handle so attached that traction can be made in the line in which the head must move in the axis of the pelvis. (05 Mar 2000) |
| Barton's forceps | An obstetrical forceps with one fixed curved blade and a hinged anterior blade for application to a high transverse head. (05 Mar 2000) |
| bayonet forceps | Forceps with offset blades, such as those for use through an otoscope. (05 Mar 2000) |