Pericardial effusion is the buildup of an excess amount of fluid in your pericardium, which is the sac that surrounds your heart and keeps it stable as it beats in your chest. (Photo Credit ...

Endometriosis can occur in different areas of the body, including the cul-de-sac, which people also refer to as the rectouterine pouch, or the pouch of Douglas. The cul-de-sac is located between ...