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This quick reference is your comprehensive lookup of diabetes terms and their meanings.

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C-peptide -  A substance that the pancreas releases into the bloodstream in equal amounts to insulin. A test of C-peptide levels will show how much insulin the body is making.
C.D.E. (credentialled diabetes educator) -  A health care professional who is qualified by the Australian Diabetes Education Association to teach people with diabetes how to manage their condition. The health care team for diabetes should include a diabetes educator, preferably a C.D.E.
Cannula -  A small tube that is inserted into the body. Some infusion sets are designed so that only the cannula remains in the body and the needle used for insertion is removed.
Carbohydrate -  One of the three main classes of foods and a source of energy. Carbohydrates are mainly sugars and starches that the body breaks down into glucose (a simple sugar that the body can use to feed its cells). The body also uses carbohydrates to make a substance called glycogen that is stored in the liver and muscles for future use. If the body does not have enough insulin or cannot use the insulin it has, then the body will not be able to use carbohydrates for energy the way it should. This condition is called diabetes. See also: fats; protein.
Carbohydrate counting -  Counting the amount of grams of carbohydrate in food to estimate the amount of insulin needed as a meal bolus to maintain a normal blood glucose level.
Cartridge -  The container that holds insulin in the pump. May also be called a reservoir.
Conventional therapy -  A system of diabetes management practiced by most people with diabetes; the system consists of one or two insulin injections each day, daily self-monitoring of blood glucose, and a standard program of nutrition and exercise. The main objective in this form of treatment is to avoid very high and very low blood glucose (sugar). Also called: "Standard Therapy."
CSII -  Continuous subcutaneous insulin infusion - See: Insulin pump.