Fig. 2From: Potential role of orexin A binding the receptor 1 for orexins in normal and cryptorchid dogsOX1R containing cytotypes along the seminiferous epithelium cycle of dog testis. An accurate examination of haematoxylin-counterstained sections revealed that positive cytotypes were present in all stages of the seminiferous epithelium cycle ranging from Stage I to VIII. Avidin–biotin immunohistochemical technique. Bars: 20 μmBack to article page