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In ancient Greek religion and mythology, Iris (/ ˈ aɪ r ɪ s /; EYE-riss; Ancient Greek: Ἶρις, romanized: Îris, lit. 'rainbow,' [2] [3] Ancient Greek:) is a daughter of the gods Thaumas and Electra, [4] the personification of the rainbow and messenger of the gods, a servant to the Olympians and especially Queen Hera.
The iris consists of two layers: the front pigmented fibrovascular layer known as a stroma and, behind the stroma, pigmented epithelial cells.. The stroma is connected to a sphincter muscle (sphincter pupillae), which contracts the pupil in a circular motion, and a set of dilator muscles (dilator pupillae), which pull the iris radially to enlarge the pupil, pulling it in folds.
Various folk cultures and traditions assign symbolic meanings to plants. Although these are no longer commonly understood by populations that are increasingly divorced from their rural traditions, some meanings survive. In addition, these meanings are alluded to in older pictures, songs and writings.
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
Iris serotina is a species in the genus Iris, ... the petals are veined with a deeper violet colour, ... 'serotina' meaning late in flowering. [7] [8]
Keeping “Iris” instrumental also kept the focus on the tranquilizing feeling the music evoked—what Navarro called “the hypnosis of the drone.” “It gave us an opportunity to get lost in ...
Iris Gonioscopy of the anterior chamber angle Anterior chamber angle cross-section imaged by an SD-OCT. The trabecular meshwork is an area of tissue in the eye located around the base of the cornea , near the ciliary body , and is responsible for draining the aqueous humor from the eye via the anterior chamber (the chamber on the front of the ...
When Meghan Markle made a surprise appearance at the Children’s Hospital Los Angeles 2024 Gala on Saturday, October 5, she did so in a familiar Carolina Herrera dress that bears special ...