Medical Definition of Arachnia

1. A genus of nonmotile, nonsporeforming, facultatively anaerobic bacteria (family Actinomycetaceae) containing Gram-positive, non-acid-fast, branched, diphtheroid rods (0.2 to 0.3 by 3.0 to 5.0 um and longer). These organisms produce filamentous microcolonies. Their metabolism is fermentative. Primarily propionic and acetic acids are produced from glucose. Catalase is not produced. The cell wall contains diaminopimelic acid but not arabinose. These organisms are pathogenic for man, causing lacrimal canaliculitis and typical actinomycosis. The type species is Arachnia propionica. Arachnia propionica, a species causing lacrimal canaliculitis and typical actinomycosis; it is the type species of the genus Arachnia. Synonym: Propionibacterium propionicus. (05 Mar 2000)



Lexicographical Neighbors of Arachnia

Arabize
Arabized
Arabizes
Arabizing
Arabness
Arabo-
Arabophobia
Arabs
Araby
Aracaju
Aracanese
Araceae
Arachis
Arachis hypogaea
Arachne
Arachnia (current term)
Arachosia
Aracuna
Arafat
Arafura Sea
Aragon
Aragon Strip
Aragonese
Araguaia
Araguaia River
Araguaya
Araguaya River
Aragvi
Arakanese
Araki

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