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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 : Integrated Risk Information System
The iris, an extension of the choroid, is the colored portion of the eye and is made up of a spongy tissue.
Iris: The iris is a specialized structure of the eye. The iris is easily seen as the colored part of the eye. The color of a person's iris depends of its pigment, a form of melanin. The iris contains muscle fibers that change the size of the pupil.
Conditions that can afflict the iris include aniridia and trauma.
The following organs are closely related to the organ: Iris:
The following conditions are related to the organ: Iris:
These symptoms are related to afflictions of the organ: Iris:
Condition count: 2 ; see list below.
Organ types: Eye (104)
Organs: list of all organs
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