Rights: Name must appear as a credit whenever the image is used -
Description: This cross section of a cow ovary shows a cavitated (cystic) corpus luteum. The ovulation papilla is at the top (arrow). The central cyst is surounded by luteal tissue. While this CL is in fact cystic, such CL produce as much progesterone as solid CL and support pregancy normally.
Resolution: 500x344
File Size: 98.6 KB