We all know that it doesn't really feel like spring has sprung until you have that first heavenly scoop of your favorite guilty pleasure: ice cream. From fruity, zesty sorbet to savory gelato, here are 15 of our absolute favorite flavors for your next frozen-treat fix.
For other uses, see Iris (disambiguation) . The iris (plural: irides or irises) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.he iris develops from the anterior two layers of an embryonic neuroectoderm structure called the optic cup. The optic cup also produces the iris sphincter and dilator muscles.
mydriasis. [ 1 midrÄ«â²Ésis] 2  1 dilation of the pupil of the eye caused by contraction of the dilator muscle of the iris, a muscular sheath that radiates outward like the spokes of a wheel from the center of the iris around the pupil. 3  2 an abnormal condition characterized by contraction of the dilator muscle, resulting in widely dilated pupils.