aphtha
noun
aph·tha
| \ ˈaf-thə, ˈap-thə
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variants:
also aptha \ ˈap-
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plural aphthae
also apthae\ -ˌthē
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Medical 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
Other Words from aphtha
aphthic
\ -thik
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adjective
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adjective