aphthous ulcer
Học thuậtThân thiện
Definition
Noun: A small, painful, shallow sore or lesion that appears on the soft mucous membranes inside the mouth, such as on the inner lips, cheeks, tongue, or soft palate. It is characterized by a white or yellowish center with a red border. While commonly called a "canker sore," the term "aphthous ulcer" is the formal medical name.
Usage
This term is used in medical and general contexts to describe a specific type of oral ulcer. - It is typically used as a countable noun (e.g., an aphthous ulcer, several aphthous ulcers). - The phrase is often modified by adjectives describing its nature, such as minor, major, or recurrent.
Examples
- General Context:
- I think I have an aphthous ulcer; it's very painful when I eat.
- Recurrent aphthous ulcers can be a sign of nutritional deficiency.
- Medical Context:
- The patient presented with a minor aphthous ulcer on the buccal mucosa.
- Treatment for aphthous ulcers is usually aimed at pain relief and reducing inflammation.
Advanced Usage
- "Recurrent Aphthous Stomatitis (RAS)": This is the clinical term for the condition characterized by the frequent appearance of aphthous ulcers.
- She was diagnosed with recurrent aphthous stomatitis and advised to avoid certain trigger foods.
Variants and Related Words
- Canker Sore: The common, non-medical synonym for an aphthous ulcer.
- Many people use the term canker sore instead of aphthous ulcer.
- Ulcer: A broader term for an open sore on an external or internal surface of the body.
- Stomatitis: Inflammation of the mouth's mucous membranes, which can involve aphthous ulcers.
Synonyms
- Canker sore (common term)
- Mouth ulcer (general term)
- Recurrent oral ulcer
Related Phrases / Collocations
- Minor aphthous ulcer: The most common and smallest type.
- Major aphthous ulcer: A larger, deeper, and more painful ulcer that takes longer to heal.
- Herpetiform aphthous ulcers: A cluster of many tiny ulcers.
- To develop an aphthous ulcer
- To treat an aphthous ulcer
Noun
- a blister on the mucous membranes of the lips or mouth or gastrointestinal tract