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 is an agreement between two or more persons (individuals, businesses, organizations, or government agencies) to do, or to refrain from doing, a particular thing in exchange for something of value.Contracts can generally be written using formal or informal terms, or they can be entirely verbal.ritten contracts must contain the names of both parties, the agreed upon terms, and the partiesâ signatures to be valid. An example of a valid contract is: âLuke Luck hereby agrees to sell Ducky Lucky 400 meal worms. Ducky Lucky agrees to pay $20 for the meal worms.