| 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) |
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| lateral folds | Ventral foldings of the lateral margins of the embryonic disk, the development of which establishes the definitive embryonic body form. (05 Mar 2000) |