Figure 7.

Ednra^lacz/+ Expression in Mouse Embryos

(A and B) Ednra^+/+ (A) and Ednra^lacz/+ (B) whole-mount E15.5 embryos stained with X-gal. White arrows indicate eyelid and pinna expression of Ednra^lacz. The inset in (B) is a magnified view of an Ednra^lacz/+ hair follicle.

(C) Cryosection of whole-mount X-gal-stained E13.5 Ednra^lacz/+ embryo.

(D and E) Ednra^+/+ (D) and Ednra^lacz/+ (E) postnatal day (P) 0 X-gal-stained cryosections of vibrissal follicles. Abbreviations are as follows: dp, dermal papilla; m, matrix; vf, vibrissal follicle.