Polycystic Ovarian Disease: This disease, also commonly known as PCOS, refers to cysts that form from a buildup of follicles. They cause the ovaries to enlarge and create a thick outer covering, which may prevent ovulation from occurring. They are often the cause of fertility problems.
dune. n. A hill or ridge of wind-blown sand. [French, from Old French, from Middle Dutch. ; see dheuÉ- in Indo-European roots .].
Dry Lake: a lake that is dry all year or most of the year with the dry layer being mud or salt. Dune: a pile of sand created by wind or waves (underwater dunes) Erg: a group of sand dunes usually found in a desert. Estuary: where a river runs into the ocean or other types of salt water.