aphtha

aph·tha

noun \ˈaf-thə, ˈap-thə\

plural ; aph·thaealso ; ap·thae \-ˌthē\ (audio pronunciation)

Definition of APHTHA

1

: a speck, flake, or blister on the mucous membranes (as in the mouth or gastrointestinal tract or on the lips) characteristic of some diseases (as thrush)

2

: one of the vesicles filled with clear serous fluid that occur in the mouth, on the udder, and in the spaces between the digits of cloven-footed animals in some diseases—usually used in plural

3

: a disease (as foot-and-mouth disease) characterized by aphthae

—aph·thic \-thik\ (audio pronunciation) adjective

Variants of APHTHA

aph·tha also ap·tha \ˈap-\ (audio pronunciation)

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