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. 2011 Apr 29;6(4):e18081. doi: 10.1371/journal.pone.0018081

Figure 1. High magnification images of small areas of the chick embryo.

Figure 1

A: stage EG XII, prior to streak formation; B: stage HH2, lateral to the streak; C: stage HH2, within the streak region. The embryo in image A is stained with rhodamine phalloidin to visualize the F actin cortex, while the embryos shown in B and C are stained with an antibody against the apically localized tight junction marker ZO-1. The areas shown are 375Inline graphic375 Inline graphic in A, and 187.5Inline graphic187.5 Inline graphic in B and C. The scale bars represent 50 Inline graphic in all three panels.