Gross appearance of a bovine ovary with squamous metaplasia of the rete ovarii. (A) Enlarged right ovary with an irregular surface containing multiple cysts. (B) Cut surface of the right ovary with multiple cysts and a corpus luteum. Some of the cysts are filled with a translucent or whitish mucous material, while other cysts are filled with a dense keratinized material.
Santos et al. BMC Veterinary Research 2012 8:235 doi:10.1186/1746-6148-8-235