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IRIS: abbreviation of: Interim & Resident Information System
IRIS: abbreviation of: Interns & Residents Information System
IRIS: muscular diaphragm that controls the size of the pupil; it forms the colored portion of the eye
Source: WordNet 2.1
IRIS : most anterior portion of the uveal layer, separating the anterior chamber from the posterior; consists of two layers, the stroma and the pigmented epithelium; color of the iris depends on the amount of melanin in the stroma on reflection from the pigmented epithelium.
IRIS (organ): See Iris (organ information).
More information on organs: Iris:
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