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Estradiol and progesterone treatments had no effect on the morphology of fallopian tube epithelial cells (FTECs). Both 0 nM and 200 nM estradiol (E2) and 15 μM progesterone (P4) had no effect on cell morphology. PAX8: a secretory cell marker; TUBB4: a ciliated cell marker. Scale bar = 20 μm.
