Cricothyroid motor units.
D005246:Feedback; D006801:Humans; D007817:Laryngeal Cartilages / Q000502:physiology*; D008297:Male; D009132:Muscles / Q000502:physiology; D009469:Neuromuscular Junction / Q000502:physiology*; D010897:Pitch Discrimination; D013016:Sound; D009435:Synaptic Transmission