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Immune reconstitution inflammatory syndrome ( IRIS) is a condition seen in some cases of HIV/AIDS or immunosuppression, in which the immune system begins to recover, but then responds to a previously acquired opportunistic infection with an overwhelming inflammatory response that paradoxically makes the symptoms of infection worse. [1]
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.
Intraoperative floppy iris syndrome ( IFIS) is a complication that may occur during cataract extraction in certain patients. This syndrome is characterized by a flaccid iris which billows in response to ordinary intraocular fluid currents, a propensity for this floppy iris to prolapse towards the area of cataract extraction during surgery, and ...
Eye color. 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. [3] : 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...
Illustration of an iris flower with highlighted parts of the flower. Irises are perennial plants, growing from creeping rhizomes (rhizomatous irises) or, in drier climates, from bulbs (bulbous irises). They have long, erect flowering stems which may be simple or branched, solid or hollow, and flattened or have a circular cross-section.
The Personal IRIS line consisted of four main models - the 4D/20, /25, /30, and /35. The /20 and /25 were both released in 1988, with the /30 and /35 debuting in 1990. With an entry price of £10,300, the Personal IRIS was Silicon Graphics' cheapest workstation. [7] The 4D/35 would later be cost-reduced into the IRIS Indigo, released in 1991 ...
In ancient Greek religion and mythology, Iris (/ ˈ aɪ r ɪ s /; EYE-riss; Greek: Ἶρις, translit. Îris , lit. "rainbow," [2] [3] Ancient Greek : [îːris] ) 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 . [5]
Iris wattii. Iris subg. Limniris. Iris wattii is a plant species in the genus Iris, it is also in the subgenus Limniris and the section Lophiris (crested irises). It is a rhizomatous perennial plant. It is native to China, Burma and India, it has lavender or light blue flowers. It is also known as 'Bamboo Iris' (although confusingly, so is Iris ...