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The ocular immune system protects the eye from infection and regulates healing processes following injuries. The interior of the eye lacks lymph vessels but is highly vascularized, and many immune cells reside in the uvea, including mostly macrophages, dendritic cells, and mast cells. [1] These cells fight off intraocular infections, and ...
3–6 million per year (US) [1] [3] Conjunctivitis, also known as pink eye, [4] is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. [5] It makes the eye appear pink or reddish. [1] Pain, burning, scratchiness, or itchiness may occur. [1] The affected eye may have increased tears or be "stuck ...
Uveitis. Uveitis ( / ˌjuːvi.aɪtɪs /) is inflammation of the uvea, the pigmented layer of the eye between the inner retina and the outer fibrous layer composed of the sclera and cornea. [1] The uvea consists of the middle layer of pigmented vascular structures of the eye and includes the iris, ciliary body, and choroid.
The effects of parasitic worms, or helminths, on the immune system is a recently emerging topic of study among immunologists and other biologists. Experiments have involved a wide range of parasites, diseases, and hosts. The effects on humans have been of special interest. The tendency of many parasitic worms to pacify the host's immune ...
The complement system, also known as complement cascade, is a part of the humoral, innate immune system and enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promote inflammation, and attack the pathogen 's cell membrane. [1] Despite being part of the innate immune system ...
Keratitis is a condition in which the eye 's cornea, the clear dome on the front surface of the eye, becomes inflamed. [ 1] The condition is often marked by moderate to intense pain and usually involves any of the following symptoms: pain, impaired eyesight, photophobia (light sensitivity), red eye and a 'gritty' sensation. [ 2]
They have revealed a pioneering nasal spray treatment that has demonstrated effectiveness in eliminating harmful tau protein accumulation and enhancing cognitive abilities in aged mouse models ...
The lytic cycle ( / ˈlɪtɪk / LIT-ik) is one of the two cycles of viral reproduction (referring to bacterial viruses or bacteriophages ), the other being the lysogenic cycle. The lytic cycle results in the destruction of the infected cell and its membrane. Bacteriophages that can only go through the lytic cycle are called virulent phages (in ...