Data from: Insights into the zebrafish left-right organizer's centrosomes and cilia via volume electron microscopy

This dataset contains the source volumetric electron microscopy (vEM) image data and derived 3D segmentations used to generate Figure 4D in Ononiwu et al. (2026). Figure 4D depicts a KV mother–daughter centriole pair with ultrastructurally resolved distal appendages (DAs), subdistal appendages (SDAs), and a rootlet, shown as representative 2D serial slices and as a 3D segmented reconstruction. The image data are derived from serial ultrathin sections imaged by SEM and exported as an aligned, contrast/brightness–adjusted image stack with voxel sampling reported for the aligned dataset as 10 nm.