Archive image from page 178 of The development of the chick;. The development of the chick; an introduction to embryology . developmentofchi00lill Year: 1908 FROM TWELVE TO THIRTY-SIX SOMITES 159 from the superior angles of the neural tube into the arches in question; here they form connections with the ectoderm of the arches, which proliferates so as to contribute to their substance (Fig. 92). Elsewhere the periaxial layer gradually merges with the axial mesenchyme. The periaxial cords are the primordia of the trigeminus and acustico-facialis ganglia, and mark the paths of the trigeminal and

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Archive image from page 178 of The development of the chick;. The development of the chick; an introduction to embryology . developmentofchi00lill Year: 1908 FROM TWELVE TO THIRTY-SIX SOMITES 159 from the superior angles of the neural tube into the arches in question; here they form connections with the ectoderm of the arches, which proliferates so as to contribute to their substance (Fig. 92). Elsewhere the periaxial layer gradually merges with the axial mesenchyme. The periaxial cords are the primordia of the trigeminus and acustico-facialis ganglia, and mark the paths of the trigeminal and facial nerves. Their connection with #5 ii'''-

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