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Fig. 1. Fgfr2-IIIb is expressed in urethral plate epithelium and prepuce
of the mouse genital tubercle. Using whole-mount in situ hybridization,
Fgfr2-IIIb transcripts were localized in external genitalia of
wild-type mouse embryos at E10.5 (A), E11.5 (B), E12.5 (C), E13.5 (D), E14.5
(E), E15.5 (F) and E16.5 (G). Arrows indicate the position of the urethral
plate epithelium and arrowheads indicate the preputial swellings. Ventral view
of the embryo is shown in A, and ventral views of the genital tubercle are
shown in B-G. Negative control using sense probe is shown in inset of C.