aphthous ulcer

(pathology) An ulcer in the mouth, caused by a break in the mucous membrane.

Japanese Meaning

口腔粘膜が損傷して生じる潰瘍、いわゆるアフタ性口内炎。

The dentist examined the aphthous ulcer on his tongue and recommended a topical antiseptic to prevent infection.

歯科医は彼の舌にできたアフタ性口内炎を診察し、感染を防ぐために局所用の消毒薬を勧めた。

Sense（1）

(pathology) An ulcer in the mouth, caused by a break in the mucous membrane.

aphthous ulcers

（ plural ）