Figure 1.

Photograph of soft‐shelled turtle and oviduct and its schematic representation. (A) Photograph of soft‐shelled turtle, Pelodiscus sinensis. (B) Gross anatomic view of soft‐shelled turtle oviduct showing the five main regions: infundibulum, magnum, isthmus, uterus, and vagina. (C) Schematic representation of the oviduct in Pelodiscus sinensis. The oviduct comprises the infundibulum, magnum, isthmus, uterus, and vagina. The present study focused on four points from which the materials were harvested: (a) magnum, (b) isthmus, (c) uterus, and (d) vagina. Scale bars: 1 cm (a and b).