Vibration Mechanics Application of biomimetic tongue substrate to investigate the role of friction and vibration in sensory texture perception ScienceDirect The vagus nerve is a primary carrier of information describing the state of the body to the brain, and transmitting information from the brain back to the body. It's a feedback mechanism PDF] Mechanical Vibrations by J. P. Den Hartog 9780486131856 Ludwig's angina is a rapidly progressing cellulitis of the submandibular, sublingual, and submental spaces, most commonly originating from infected lower molars. The infection spreads through fascial planes rather than forming pus initially,