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. 2011 Nov 30;86(3):63. doi: 10.1095/biolreprod.111.097188

FIG. 1.

FIG. 1.

Uterine adenogenesis in C57BL/6 control mice and mice exposed to P4 (40 mg/kg) during PNDs 3–9. A) Adenogenesis begins on PND 5, as shown by the absence (top) and presence (bottom; arrows) of uterine glands in isolated epithelium from a 5- and 6-day-old animal, respectively. B–D) Both gland number and size (arrows) are increased in PND 10 uterine epithelium isolated from control mice (B) compared to PND 6. Treatment with P4 during PNDs 3–7 (C) or 3–9 (D) resulted in total absence of glands in epithelium at PND 10. Bar = 100 μm.