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Expression of L1lacZ (A, C, and E) and L1lacZΔN (B, D, and F) in transverse or coronal sections of mice staged at P1 during development of the ear (A and B), eye (C and D), peripheral nerves of the face (E and F), and the dorsal root ganglia and spinal cord (G and H). C, cochlea; CN, cochlear nerve; DRG, dorsal root ganglion; PN, peripheral nerve; SC, spinal cord; SG, spiral ganglion; VB, vibrissae; 1, ganglion cell layer; 2, amacrine cell layer; 3, photoreceptor cell layer.
