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. 2023 Mar 6;102(6):102624. doi: 10.1016/j.psj.2023.102624

Figure 1.

Figure 1

Morphological changes in the UVJ epithelial fold from morphological stage T1 to T4 during sex maturation. The bold arrow indicates primary epithelial folds; the triangle indicates secondary epithelial folds; the thin arrow indicates SST. UVJ epithelium belongs to pseudostratified columnar ciliated cells, SSTs belongs to single columnar cell, and other types of cells are located between UVJ epithelium and SSTs. The scale bar represents 100 μm at normal size and 20 μm in an enlarged view.