Figure 11. Time course of head mesoderm and muscle gene expression in Xenopus laevis. Same stages, views, and abbreviations as in Figure 11; markers are indicated on the left. Note that msc, myf5, myod, myog, and desmin are expressed before, mrf4 concomitant with the onset of pax7 expression.
hypaxial muscle epaxial muscle somite heart musculature of face m. quadrato-hyoangularis m. orbitohyoideus m. interhyoideus m. levator mandibulae articularis primordium
m. quadrato-hyoangularis m. orbitohyoideus m. interhyoideus musculature of face m. intermandibularis primordium m. levator mandibulae articularis primordium hypaxial muscle
m. quadrato-hyoangularis m. orbitohyoideus m. interhyoideus musculature of face m. levator mandibulae articularis primordium m. intermandibularis primordium