β-galactosidase expression activated by Nes-cre in P7 pancreas
 A) P7 pancreas (and spleen) at 10X magnification. β-gal expression strong but not in all acinar cells. Nes-cre was maternally inherited. |
 B) P7 pancreas at 20X magnification (paternal inheritance of Nes-cre). β-gal expression appears restriced to only a few of the pyramid-shaped cells making up each acinus. |
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