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. 2014 Dec 1;24(7):1869–1882. doi: 10.1093/hmg/ddu604

Figure 5.

Figure 5.

Embryonic expression of Tbx1 and MyoD in ET muscles. (AC) WT (+/+); (D) Tbx1+/−. (A) At E12.5, Tbx1 is expressed in the early ET (arrowhead) and adjacent branchiomeric muscle masses (arrow). Note Tbx1 is also expressed in forming tongue muscles (asterisk). (B) The same ET muscle masses express the MRF MyoD (arrow). (C) At E15.5, MyoD is expressed in muscle fibres of the maturing mLVP (arrowheads) next to the nasopharynx (NP) and ET, whereas in Tbx1+/−, MyoD appears to be diffusely expressed (arrowheads). Scale bars: 200 µm.