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Med1+/− Med24+/− mammary glands are normal during and after pregnancy. (A) Whole-mount staining of female mammary inguinal glands at 15 days of pregnancy, 2 days after lactation, and during regression. Wild-type and Med1+/− Med24+/− littermate mammary glands are shown. Scale bar, 1 mm. (B) Histological examination of the same glands at 15 days of pregnancy, 2 days after lactation, and during regression. Wild-type and Med1+/− Med24+/− littermate mammary glands are shown. Scale bar, 50 μm.
