actinic cheilitis

cheilitis /chei·li·tis/ (ki-li´tis) inflammation of the lips.

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actinic cheilitis  pain and swelling of the lips and development of a scaly crust on the vermilion border after exposure to actinic rays; it may be acute or chronic.

angular cheilitis  perlèche.

solar cheilitis  actinic c.

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actinic cheilitis

n.

See solar cheilitis.

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actinic cheilitis (aktin´ik),

n See cheilitis, actinic.

Actinobacillus,

n a genus of nonmobile, gram-negative aerobic and facultatively anaerobic bacteria of the family Brucellaceae.

Actinomyces

n.pl filamentous microorganisms that have been implicated in the formation of dental calculus and serve as a mode of attachment of dental calculus to the tooth surface. These microorganisms have also been found in pathologic lesions of the alveolar processes (actinomycosis).

A. israelii

n.pl a normally occurring oral bacteria that aggressively causes infection (actinomycosis) when oral health is compromised.

A. naeslundii

n a specific strain of bacteria resident in open sores in the oral cavity.

A. viscosus,

n a species of
Actinomyces occurring in high numbers in the dental plaque, cemental caries, and tonsillar crypts.