Fig. 2

Follicular cysts in a cow. a. On gross inspection, it can be noticed that the cyst occupies the entire right ovary and very thin wall due to distention by follicular fluid indicated (short thick arrow); the contralateral ovary is inactive (arrow); b. Microscopic evaluation showed the cyst walls composed of extremely thin granulosa cells (black arrow). Hematoxylin-Eosin stain (400X- overall magnification)