A genus of bird and rodent mites; species include Ornithonyssus bacoti, the tropical rat mite, a possible vector of murine typhus and a cause of human dermatitis; Ornithonyssus bursa, the tropical fowl mite; and Ornithonyssus sylviarum, the northern fowl mite.
[G. ornis (ornith-), bird, + nyssus, to prick]
Farlex Partner Medical Dictionary © Farlex 2012
Ornithonyssus(or″nĭ-thon-ĭ′sŭs) [Gr. ornis, ornithos, bird + Gr. nyssein, to prick]
A genus of parasitic mites of the family Macronyssidae.
The northern fowl mite. Its bite may cause an itchy rash, esp. prevalent in owners of infected farm animals or pets.
The tropical rat mite. Its bite may cause itchy papules on the skin.
Medical Dictionary, © 2009 Farlex and Partners