Distance between the commissures of the mouth more than 2 SD below the mean. Alternatively, an apparently decreased width of the oral aperture (subjective). [ http://www.ncbi.nlm.nih.gov/pubmed/19125428 ]
Synonyms: Small oral aperture Small mouth Microstomia Narrow mouth
Term information
- SNOMEDCT_US:14582003
- UMLS:C0026034
hposlim_core
The width of the mouth varies with facial movement and must be assessed when the subject has a relaxed (neutral) face. This term replaces microstomia, small oral aperture, and small mouth because the reduced opening of the mouth is secondary to reduced width.
Term relations
- has part some (
decreased width and
characteristic of some mouth and
has modifier some abnormal)