FIB-SEM Dataset of anti-PKHD1L1 Immuno-Gold Labeled Outer Hair Cell Stereocilia Bundles. Postnatal day 4 mouse Inner Ear Organ of Corti labeled with anti-PKHD1L1 antibody (10 nm gold beads). The dataset represents the apical end of the Outer Hair Cell with the stereocilium bundle. Images were acquired with FEI Helios FIB-SEM, using backscatter detector from an epoxy resin embedded inner ear Organ of Corti sample.