aphtha

aphtha /aph·tha/ (af´thah) pl. aph´thae   [L.] (usually plural) small ulcers, especially the whitish or reddish spots in the mouth characteristic of aphthous stomatitis.

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Bednar's aphthae  symmetric excoriation of the posterior hard palate in infants.

contagious aphthae  foot-and-mouth disease.

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aph·tha (fth)

n. pl. aph·thae (-th)

A minute painful ulcer on a mucous membrane of the mouth, often covered by a gray or white exudate.

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aphtha (af´th),

n (aphthous stomatitis), 1. a small ulcer on the mucous membrane.
-hae
n.pl 2. vesicles that undergo subsequent ulceration and are surrounded by a raised erythematous area.

aphtha, Bednar's

n.pr (pterygoid ulcer), an ulcer on the soft palate near the greater palatine foramen; seen in newborns.

aphtha, Mikulicz'

n.pr a recurrent ulceration of the oral mucosa, resembling herpes. See also periadenitis mucosa necrotica recurrens.

aphtha, recurrent,

n See stomatitis, herpetic and ulcer, aphthous, recurrent.

aphtha, recurrent scarring,

n See periadenitis mucosa necrotica recurrens.

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aphtha

pl. aphthae [L.] see foot-and-mouth disease.