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Demodicosis / ˌ d ɛ m ə d ə ˈ k oʊ s ɪ s /, also called Demodex folliculitis in humans [1] and demodectic mange (/ d ɛ m ə ˈ d ɛ k t ɪ k /) or red mange in animals, is caused by a sensitivity to and overpopulation of Demodex spp. as the host's immune system is unable to keep the mites under control. Demodex is a genus of mite in the ...
Demodex / ˈ d ɛ m ə d ɛ k s / is a genus of tiny mites that live in or near hair follicles of mammals. Around 65 species of Demodex are known. [ 2 ] Two species live on humans : Demodex folliculorum and Demodex brevis , both frequently referred to as eyelash mites , alternatively face mites or skin mites .
Demodex folliculorum is a microscopic mite that can survive only on the skin of humans. [ 2 ] [ 3 ] Most people have D. folliculorum on their skin. Usually, the mites do not cause any harm, so are considered an example of commensalism rather than parasitism ; [ 4 ] but they can cause disease, known as demodicosis .
The individual mites remain external to the epidermis within the follicle, but appear to be within the skin because they are below the general outer surface of the host. The mite Demodex canis is a common cause of demodicosis in dogs. Demodex mites are microscopic, cigar-shaped and have very short legs. These mites seem to feed on epidermal cells.
Demodex conicus is a hair follicle mite found in the ear canal of the house mouse, Mus musculus. [1] References This page was last edited on 13 September 2021, at ...
Sarcoptes and Demodex species are involved in mange, but both of these genera are also involved in human skin diseases (by convention only, not called mange). Sarcoptes in humans is especially severe symptomatically, and causes the condition scabies noted above. [citation needed]
Demodex brevis is one of the two species of face mite that inhabit humans (the other being Demodex folliculorum). They are about half as long, at 0.15 to 0.2 mm (6 to 8 thousandths of an inch), [1] as D. folliculorum, but otherwise have few differences. Most of the article on Demodex folliculorum applies equally to D. brevis.
Demodecidae is a family of parasitic and commensal mites, living on various species of mammals.Each species of mite is usually only found on a single mammal species, whereas a mammal species can have several different species of demodecid mites living on it. [2]