Mechanosensitive units in the upper bill and in the tongue of the domestic duck.
D000818:Animals; D001502:Beak / Q000294:innervation; D004372:Ducks / Q000502:physiology*; D005260:Female; D008297:Male; D008465:Mechanoreceptors / Q000502:physiology*; D012867:Skin / Q000294:innervation*; D014059:Tongue / Q000294:innervation; D014732:Vibration