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The iris ( pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds, responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm. Eye color is defined by the iris. Etymology[edit]
Iris is a flowering plant genus of 310 accepted species [1] with showy flowers. As well as being the scientific name, iris is also widely used as a common name for all Iris species, as well as some belonging to other closely related genera.
In ancient Greek religion and mythology, Iris (/ ˈ aɪ r ɪ s /; EYE-riss; Greek: Ἶρις, translit. Îris, lit. "rainbow," Ancient Greek:) is a daughter of the gods Thaumas and Electra, the personification of the rainbow and messenger of the gods, a servant to the Olympians and especially Queen Hera. Iris appears in several stories carrying messages from and to the gods or running errands ...
Feb 20, 2022 · The iris is the colored part of your eye. Muscles in your iris control your pupil — the small black opening that lets light into your eye. The color of your iris is like your fingerprint. It’s unique to you, and nobody else in the world has the exact same colored eye.
Apr 23, 2022 · The iris is the colored part of the eye that controls the amount of light that enters into the eye. It is the most visible part of the eye. The iris lies in front of the crystalline lens and separates the anterior chamber form the posterior chamber. The iris in part of the uveal tract which includes the ciliary body that also lies behind the iris.
Aug 8, 2022 · The iris is a circular, colored structure that sits in front of the lens within the coronal plane towards the front of the eye.
Jun 5, 2024 · iris, (genus Iris ), genus of about 300 species of flowering plants, including some of the world’s most popular and varied garden flowers. The diversity of the genus is centerd in the north temperate zone, though some of its most handsome species are native to the Mediterranean and central Asian areas.
Feb 23, 2024 · The answer to such questions starts with proper identification. There are many different species iris and they do not all grow the same way. Some have tubers and need to be divided regularly. Others are bulbs and hardly ever need to be divided. Learning how to grow your iris starts with identifying the type of iris.
Jun 25, 2021 · Miniature Tall Bearded. Miniature Tall Bearded (MTB) types reach 16 to 25 inches tall and flower in May and June. With elegant, branched stalks, flowers in this group are prized for floral arrangements and form beautiful clouds of color in beds, borders, and foundation plantings.
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