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.
A contract creates legal obligations between two or more âpartiesâ (individuals, businesses, institutions, etc) involved in the contract. Contracts are agreements to exchange something of value (usually goods or services) that are enforceable in court.he terms of the contract must be clear to be enforceable. 1  For example, you could write a contract with these terms: âSujata agrees to sell her car to Jack for $5,500 on December 13, 2014.â It is clear who is promising to do what, and when it is to be done.