21. When a sound wave enters the outer ear, it bounces around the pinna 's ridges. 22. Somatosensory inputs inhibit type IV cell activity, possibly silencing their activity during head and pinna movements. 23. In addition, the ears may be set low on the head or have a deformed pinna . 24. "' Christophe Pinna "'is a member of the French National Karate team. 25. "Comando Aeronautica Africa Orientale Italiana " : Generale di Squadra Aerea Pietro Pinna }} 26. In 2006 07 season he joined Serie C1 side Crotone after the club signed keeper Salvatore Pinna . 27. Pinna took over Tecnomarine Yachts in Italy 11 years ago and opened the South Florida location in 1985.28. At that moments, Mr . De Pinna 's lit pipe causes the fireworks to go off. 29. In the Mediterranean area, material made from the holdfast or byssus of " Pinna nobilis" 30. Tragus is crescent-shaped and separated from the posterior margin of the pinna by a conspicuous notch.