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Fig. 5 | EvoDevo

Fig. 5

From: Morphogenesis and morphometric scaling of lung airway development follows phylogeny in chicken, quail, and duck embryos

Fig. 5

a Apical constriction of the primary bronchus drives formation of the secondary bronchi. The apical surface (red line) of cells in the branching region contracts, transforming the cell from rectangular to trapezoidal in cross section (insets). b Confocal sections of phalloidin-stained lungs of chicken, quail, and duck embryos at the one-branch (top), two-branch (middle), and three-branch (bottom) stages. Scale bars 50 μm

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EvoDevo

ISSN: 2041-9139