Definition: 'Lips Of Mouth'
lips of mouthType: Term
1. fleshy folds with skin externally and oral mucosa internally that surround the oval fissure and form the anterior walls of the oral vestibule; with the enclosed orbicularis oris and various dilator muscles, the lips constitute the cranial sphincter of the alimentary tract.
Synonyms: labia oris
The definition information for lips of mouth is provided by Stedman's. You can search our medical dictionary here.