Mechanotransduction Hair cell stimulation stereocilium removed due to copyright considerations ension in the tip link activates a SEM of the stretch-activated Image removed due to stereocilia on the copyright considerations ion channel, leading to intracellular surtace of a single hair cell (hudspeth calcium ion fluctuationsMechanotransduction: Hair cell stimulation stereocilium tip link tension in tip link increases Image removed due to copyright considerations. SEM of the Image removed due to stereocilia on the copyright considerations. surface of a single hair cell (Hudspeth) Tension in the tip link activates a stretch-activated ion channel, leading to intracellular calcium ion fluctuations