Figure 1 from: Dong Z, Shi C, Chu G, Dong Y, Chen G, Liu D (2018) Morphological changes of gonad and gene expression patterns during desexualization in Dugesia japonica (Platyhelminthes: Dugesiidae). Zoologia 35: 1-7. https://doi.org/10.3897/zoologia.35.e21933

Figure 1 Histological changes of the ovary during starvation. The ovary of on the day 25th is sagittal section and the others are horizontal section. The yellow lines indicate the innermost region and the oogoniums marked by black arrows, d: days after starvation, og: oogonium, oc: oocyte. Scale bar: 200 μm.