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. 2013 Nov 18;8(11):e81167. doi: 10.1371/journal.pone.0081167

Figure 1. CK15 immunohistochemistry of wild type fetal mouse ureters.

Figure 1

In these brightfield images, positive CK15 immunostaining is brown. Nuclei were counterstained blue with haematoxylin. In each image, the asterisk indicates the lumen. A and B. CK15 was neither detected in the E11 UB (A) nor in the monolayered urothelium of the ureteric stalk at E14 (B). C. A subset of urothelial cells in the multilayered E15 urothelium were positive for CK15. D. At postnatal day two (P2), CK15 was detected in a subset of uroltheial cells (two such adjacent cells are indicated by the white arrow). Bar is 200 μm.