Fig. 1. Classification of estrous cycles of female mice. (A) Diestrus. The leukocytes (yellow arrow) are dominant, and epithelial cells are rare. (B) Proestrus. Nucleated epithelial cells (red arrow) are dominant, and leukocytes are still present. (C) Estrus. Mostly cornified cells are observed. (D) Metestrus. Cornified epithelial cells (cyan arrow) with leukocytes are observed.
© Exp Neurobiol
