Oral mucocele (also termed mucous retention cyst, mucous extravasation cyst, mucous cyst of the oral mucosa, and mucous retention and extravasation phenomena) is a clinical term that refers to two related phenomena:1  Mucus extravasation phenomenon.ral mucocele (also termed mucous retention cyst, mucous extravasation cyst, mucous cyst of the oral mucosa, and mucous retention and extravasation phenomena) is a clinical term that refers to two related phenomena:
A CFD, or Contract for Difference, is an agreement between two parties to exchange the difference between the opening price and closing price of a contract. CFD, or Contract for Difference, is an agreement between two parties to exchange the difference between the opening price and closing price of a contract.
CFDs Explained What is a CFD (Contract for Difference)? Contracts for difference (CFDs) are one of the world's fastest-growing trading instruments. A contracts for difference creates, as its name suggests, a contract between two parties speculating on the movement of an asset price. The term 'CFD' which stands for 'contract for difference' consists of an agreement (contract) to exchange the difference in value of a particular currency, commodity share or index between the time at which a contract is opened and the time at which it is closed.