| fastigium | 1. Apex of the roof of the fourth ventricle of the brain, an angle formed by the anterior and posterior medullary vela extending into the substance of the vermis. 2. The acme or period of full development of a disease. Origin: L. Top, as of a gable; a pointed extremity (05 Mar 2000) |
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| fasting | Abstaining from all food. (12 Dec 1998) |
| fasting blood glucose | <endocrinology, investigation> A method for finding out how much glucose (sugar) is in the blood. The test can show if a person has diabetes. A blood sample is taken in a lab or doctor's office. The test is usually done in the morning before the person has eaten. The normal, nondiabetic range for blood glucose is from 70 to 110 mg/dl, depending on the type of blood being tested. If the level is over 140 mg/dl, it usually means the person has diabetes (except for newborns and some pregnant women). (09 Oct 1997) |
| fasting glucose | <endocrinology, investigation> A measurement of the blood glucose in the morning prior to the ingestion of any food for the prior 12 hours. (27 Sep 1997) |
| fasting hypoglycaemia | Excessively low blood glucose in association with fasting; can be seen in patients with hyperinsulinism but also occurs without definable disease. (05 Mar 2000) |
| fastness | The state of tolerance exhibited by bacteria to a drug or other agent. See: fast. (05 Mar 2000) |