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Cross section of a Mammary Duct

Fig: A cross-section of a mammary duct showing the outer layer of basal cells (stained with an antibody to Keratin 14 (green) and the inner layer of luminal cells (stained with an antibody to Keratin 18 (red). Nuclei are in blue. The Zfp157 gene is expressed in the basal layer and controls lineage commitment of the luminal cells.
Cross section of a Mammary Duct
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