aphtha

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Related to aphthae: canker sore

aphtha

[‚af·thə]
(medicine)
White, painful oral ulcer of unknown cause.
References in periodicals archive ?
Aphthae (canker sores) are extremely common painful lesions in the mouths of adults but seldom appear on adult genitalia.
Vulvar aphthae can be large or small, and typically are 5-20 mm in diameter, larger than oral aphthae that average 1-5 mm in diameter.
Major aphthae are deeper, can take several weeks to heal and can scar the infected site.
It has been found that some patients with recurrent aphthae have altered T-cell and B-cell responses, but the precise immunopathogenesis still remains unclear.
2,7,8] The most frequently noted oral lesions are aphthae, which are found in 10 to 20% of cases.
aphthosa was used as a remedy for cough (Vartia, 1950) and infantile aphthae (Vartia, 1950; Perez-Llano, 1944).