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. 2015 Sep 1;8(9):1027–1035. doi: 10.1242/dmm.019547

Fig. 1.

Fig. 1.

Craniofacial phenotype of WHSC1 mutant mice. E16.5 wild-type and mutant heads (A-F) and transverse sections (G,H) stained for Picro-Sirius red trichrome. WHSC1−/− mice have the characteristic broad, flat nasal bridge, prominent glabella, short philtrum and micrognathia observed in individuals with WHS, as well as microtia and hypertelorism. The middle and inner ear morphology are normal. Scale bars: 500 μm (A-F); 200 μm (G,H). Arrow, pit in the outer ear; arrowhead, eustachian tube; black asterisk, ear canal; yellow asterisk, middle ear bones; iec, inner ear capsule; v, vestibule; c, cochlea.