text:  P16 mutant OC base, biological rep 1 Mouse organ of Corti from cochlea, basal half, Dicer1 conditional knockout mouse genome informatics (mgi) strains: Dicer1tm1Bdh (MGI:3589208) X Tg(Atoh1-cre)1Bfri (MGI:3775845); genotype: Dicer1 conditional knockout, Atoh1-Cre;Dicer1(flox/flox); tissue: organ of Corti from cochlea, basal half; age: postnatal day 16