Diabetes Glossary

Browse or search for definitions from our comprehensive list of diabetes terms.

Browse Glossary: "u"

U-100

see unit of insulin.

ulcer

UL-sur

a deep open sore or break in the skin.

ultralente insulin

UL-truh-LEN-tay

long-acting insulin. On average, ultralente insulin starts to lower blood glucose within 4 to 6 hours after injection. It has its strongest effect 10 to 18 hours after injection but keeps working 24 to 28 hours after injection. Also called U insulin.

United Kingdom Prospective Diabetes Study

UKPDS

a study in England, conducted from 1977 to 1997 in people with type 2 diabetes. The study showed that if people lowered their blood glucose , they lowered their risk of eye disease and kidney damage. In addition, those with type 2 diabetes and hypertension who lowered their blood pressure also reduced their risk of stroke , eye damage, and death from long-term complications.

unsaturated fat

is a fat or fatty acid in which there are one or more double bonds in the fatty acid chain.

urea

yoo-REE-uh

a waste product found in the blood that results from the normal breakdown of protein in the liver. Urea is normally removed from the blood by the kidneys and then excreted in the urine.

uremia

yoo-REE-mee-ah

the illness associated with the buildup of urea in the blood because the kidneys are not working effectively. Symptoms include nausea, vomiting, loss of appetite, weakness, and mental confusion.

urine

the liquid waste product filtered from the blood by the kidneys , stored in the bladder, and expelled from the body by the act of urinating.

urine testing

also called urinalysis; atest of a urine sample to diagnose diseases of the urinary system and other body systems. In people with diabetes, a doctor may check for: Glucose , a sign of diabetes or other diseases; Protein , a sign of kidney damage, or nephropathy; White blood cells, a sign of urinary tract infection; Ketones , a sign of diabetic ketoacidosis or other conditions. Urine may also be checked for signs of bleeding. Some tests use a single urine sample. For others, 24-hour collection may be needed. And sometimes a sample is "cultured" to see exactly what type of bacteria grows.

urologist

yoo-RAH-luh-jist

a doctor who treats people who have urinary tract problems. A urologist also cares for men who have problems with their genital organs, such as impotence.

    Disclaimer

    Our glossary includes and builds on the definitions found in The Diabetes Dictionary (NIH Publication No. 07-3016, October 2006) published by the National Diabetes Information Clearinghouse, which is available on their website and is not copyrighted. The Clearinghouse encourages users of this publication to duplicate and distribute as many copies as desired.

    The U.S. Government does not endorse or favor any specific commercial product or company. Trade, proprietary, or company names appearing in this document are used only because they are considered essential in the context of the information provided.

    The National Diabetes Information Clearinghouse (NDIC) is a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). For more information, visit their website at www.diabetes.niddk.nih.gov.