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. 2023 Apr 10;21(2):15593258231169381. doi: 10.1177/15593258231169381

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© The Author(s) 2023

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Vaginal cytology of rats showing different stages of the estrous cycle. Vaginal smear of rats’ estrous cycle presented different estrous phases with their existing type of cells (A) Pro-estrous stage presented dominantly nucleated cornified epithelial cells (). (B) Estrous stage categorized with cornified epithelial cells (). (C) Diestrus stage contains mostly leukocytes (). (D) Metestrus stage, in this phase, leukocytes, cornified epithelial cells, and nucleated cornified cells are present.

Inline graphic — Vaginal cytology of rats showing different stages of the estrous cycle. Vaginal smear of rats’ estrous cycle presented different estrous phases with their existing type of cells (A) Pro-estrous stage presented dominantly nucleated cornified epithelial cells (). (B) Estrous stage categorized with cornified epithelial cells (). (C) Diestrus stage contains mostly leukocytes (). (D) Metestrus stage, in this phase, leukocytes, cornified epithelial cells, and nucleated cornified cells are present.