| Metadata | |
|---|---|
| ID | SYMP:0020001 | 
| Name | apthous ulcer | 
| Definition | A skin ulcer that is characterized by a small recurrent, painful, round or ovoid ulcers with well-defined erythematous margins, like a halo, and a central yellow or gray floor found in the soft tissue of the oral cavity.  https://en.wikipedia.org/wiki/Aphthous_stomatitis  | 
			    
                        
| Synonyms | 
                                
                                    
                                         aphthous stomatitis [EXACT] canker sore [EXACT]  | 
                        
| Parent Relationships | 
                            
			        
                                 is_a skin ulcer  | 
                         
| Related Diseases | 
                            
                                 has symptom  |