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. 2018 Oct 15;32(1):1–17. doi: 10.1293/tox.2018-0042

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©2019 The Japanese Society of Toxicologic Pathology

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/）.

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Fig. 8. — Morphology of the basal zone and decidua basalis from GD 13 to GD 21. Regression of the decidua basalis from GD 13. Full development of the basal zone with glycogen islet formation on GD 15 and then gradual regression. Penetration of interstitial trophoblasts through the decidua basalis into the metrial gland from GD 15. HE stain. Bar=500 µm. BZ, basal zone; DB, decidua basalis; GC, glycogen cell; IT, interstitial trophoblast; LZ, labyrinth zone; MG, metrial gland; St, spongiotrophoblast; TG, trophoblastic giant cell.