|ZFIN ID: ZDB-IMAGE-190620-16|
The secretion of proteoglycans from the epithelial projections is reduced in cog4−/− mutants. Paraffin section of the inner ear posterior projection in cog4+/+ (A, n = 6 larvae) and cog4−/− larvae (B, n = 7 larvae). Alcian blue staining was performed prior to sectioning. Red arrows indicate the projection core. Anterior to the left and dorsal to the top. 52 hpf.
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