Application of biomimetic tongue substrate to investigate the role of friction and vibration in sensory texture perception ScienceDirect 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, Beyond speech: Exploring diversity in the human voice: iScience Vibrotactile stimulus duration threshold for perception of pulse to vibration transition Scientific Reports