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.
The information shown above for lips of mouth is provided by Stedman's.
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