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Cuticle of L1 js115 syntaxin mutant animals. Lateral view of the cuticle structures (alae) of the L1 larvae of wild-type and homozygous unc-64(js115) animals segregating from a mosaic animal lacking unc-64(+) in the germline. Arrowheads point to the alae (cuticular specializations) observed in L1 larvae. Scale bar, 20 μm.
