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 .].
Definition of dune from the Collins English Dictionary Phrasal verbs A phrasal verb is a type of verb that is created when a main verb is combined with either: an adverb, take off give in blow up break in a preposition, get at (someone) pick on (weaker ch...