when these organs of corti were examined by scanning electron microscopy , abnormalities of outer or inner hair cells were found , as follows : ( 1 ) fusion and torsion of the stereocilia , ( 2 ) coalescence of adjacent stereocilia in the same row , ( 3 ) loss of sensory hair stiffness , and ( 4 ) loss of stereocilia .
C0029207
organs of corti
C0018497
inner hair cells