释义 |
lips of mouth lips of mouth [TA] 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. Synonym(s): labia oris [TA]lips of mouth (lips mowth) [TA] Fleshy folds with skin externally and oral mucosa internally that surround oval fissure and form anterior walls of oral vestibule; with the enclosed orbicularis oris and various dilator muscles, constitute cranial sphincter of the alimentary tract. |