utricle
2.Results The constant and clear fluorescent reaction could be observed in the inner ear tissue with the first antibody concentration of 1∶200 for Aqp 1 and 1∶100 for Aqp 3, 7, 9. But the reaction of Aqp 4 and 5 could not be found with the concentration of 1∶50, even 1∶30. Aqp 1 was labeled in the round window membrane, spiral ligament, endolymphatic sac and duct, utricle and saccule and the wall of inner ear blood vessel;

