Diabetes Dictionary: R - Z
R
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rapid-acting insulin (RA-pid-AK-ting) (IN-suh-lin):
a type of insulin with an onset of 15 minutes, a peak at 30 to 90 minutes, and a duration of 3 to 5 hours. See insulin aspart, insulin glulisine, and insulin lispro.
rebound hyperglycemia (REE-bound) (HY-pur-gly-SEE-mee-uh):
see Somogyi effect.
receptors (ree-SEP-turz):
see insulin receptors.
Recognized Diabetes Education Programs (REH-kig-NYZD) (DY-uh-BEE-teez) (EH-juh-KAY-shuhn) (PROH-gramz):
diabetes self-management education programs that are approved by the American Diabetes Association.
regular insulin (REH-gyuh-lur) (IN-suh-lin):
a short-acting insulin with an onset of 30 to 60 minutes, a peak of 2 to 4 hours, and a duration of 5 to 8 hours. Also called R insulin. (Brand names: Humulin R, Novolin R.)
renal (REE-nuhl):
of or relating to the kidneys. A renal disease is a disease of the kidneys. Renal failure means the kidneys have stopped working.
renal threshold of glucose (REE-nuhl) (THRESH-ohld) (uhv) (GLOO-kohss):
the blood glucose concentration at which the kidneys start to excrete glucose into the urine.
repaglinide (ruh-PAG-luh-nyd):
an oral medicine used to treat type 2 diabetes. Repaglinide lowers blood glucose by helping the pancreas make more insulin right after meals. Repaglinide belongs to the class of medicines called meglitinides. (Brand name: Prandin.)
retina (RET-ih-nuh):
the light-sensitive layer of tissue that lines the back of the eye.
retinal hemorrhages (RET-ih-nuhl) (HEM-uh-ruhj-ez):
bleeding blood vessels in the retina, which can cause protein deposits, or exudates, in the retina. Laser surgery is required to prevent blindness. Retinal hemorrhage is a common form of diabetic retinopathy.
retinopathy (RET-ih-NOP-uh-thee):
see background retinopathy, proliferative retinopathy, and diabetic retinopathy.
R insulin (AR) (IN-suh-lin):
see regular insulin.
Riomet (RY-oh-met):
see metformin.
risk factor:
anything that raises the chances of a person developing a disease.
rosiglitazone (rohss-ih-GLIH-tuh-zohn):
an oral medicine used to treat type 2 diabetes. Rosiglitazone helps treat insulin resistance, the condition in which your body doesn't use insulin the way it should. Rosiglitazone belongs to the class of medicines called thiazolidinediones. (Brand name: Avandia.)
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saccharin (SAK-uh-rin):
a dietary sweetener with no calories and no nutritional value.
saturated fat:
a type of dietary fat that can increase the risk of heart disease. Saturated fat is found in meat, poultry skin, butter, lard, shortening, and all milk and dairy products except fat-free versions.
secondary diabetes (SEK-uhn-DAIR-ee) (DY-uh-BEE-teez):
a type of diabetes caused by another disease or certain drugs or chemicals.
self-management:
the ongoing process of managing diabetes. Includes meal planning, planned physical activity, blood glucose monitoring, taking diabetes medicines, handling episodes of illness and of low blood glucose and high blood glucose, managing diabetes when traveling, and more. The person with diabetes designs his or her own self-management treatment plan in consultation with a variety of health care professionals such as doctors, nurses, dietitians, pharmacists, and others.
sharps container:
a container for the disposal of used needles and syringes; often made of hard plastic so that needles cannot penetrate the container.
short-acting insulin (short-AK-ting) (IN-suh-lin):
a type of insulin with an onset of 30 to 60 minutes, a peak at 2 to 4 hours, and a duration of 5 to 8 hours. See regular insulin.
side effects:
the unintended action(s) of a drug.
sitagliptin phosphate (sih-tuh-GLIP-tin) (FOSS-fayt):
an oral medicine used to treat type 2 diabetes. Sitagliptin lowers blood glucose by helping the body make more insulin when it's needed. It also helps keep the liver from putting stored glucose into the blood. Sitagliptin belongs to the class of medicines called DPP-4 inhibitors. (Brand name: Januvia.)
sliding scale:
a set of instructions for adjusting insulin on the basis of blood glucose test results, meals, or activity levels.
Somogyi effect (soh-MOH-jee) (uh-FEKT):
when the blood glucose level swings high following low blood glucose, or hypoglycemia. The Somogyi effect may follow an untreated hypoglycemic episode during the night and is caused by the release of stress hormones. Also called rebound hyperglycemia.
sorbitol (SOR-bih-tol):
1. a sugar alcohol-a sweetener-with 4 calories per gram. 2. a substance produced by the body in people with diabetes that can cause damage to the eyes and nerves.
split mixed dose:
division of a prescribed daily dose of insulin into two or more injections given over the course of the day.
starch:
another name for carbohydrate, one of the three main nutrients in food.
Starlix (STAR-liks):
see nateglinide.
stroke:
a condition in which the blood supply to the brain is suddenly cut off, caused by a blockage or the bursting of a blood vessel in the brain or neck. Then brain tissue can be damaged. A stroke can cause a person to lose the ability to speak or move parts of the body.
subcutaneous injection (SUHB-kyoo-TAY-nee-uhss) (in-JEK-shuhn):
putting a fluid into the tissue under the skin with a needle and syringe.
sucralose (SOO-kruh-LOHSS):
a dietary sweetener made from sugar but with no calories and no nutritional value.
sucrose:
a two-part sugar made of glucose and fructose. Known as table sugar or white sugar, it is found naturally in sugar cane and in beets.
sugar:
1. a class of carbohydrates with a sweet taste; includes glucose, fructose, and sucrose. 2. a term used to refer to blood glucose.
sugar alcohols:
sweeteners that produce a smaller rise in blood glucose than other carbohydrates. Their calorie content is about 2 calories per gram. Includes erythritol, hydrogenated starch hydrolysates, isomalt, lactitol, maltitol, mannitol, sorbitol, and xylitol. Also known as polyols.
sugar diabetes (SHU-gur) (DY-uh-BEE-teez):
former term for diabetes mellitus.
sulfonylurea (SUHL-foh-nil-yoo-REE-uh):
a class of oral medicine for type 2 diabetes that lowers blood glucose by helping the pancreas make more insulin and by helping the body better use the insulin it makes. (Generic names/Brand names: chlorpropamide/Diabinese; glimepiride/Amaryl; glipizide/Glucotrol, Glucotrol XL; glyburide/DiaBeta, Glynase PresTab, Micronase; tolazamide [generic only]; tolbutamide [generic only].)
Sunett (SOO-net):
see acesulfame potassium.
Symlin (SIM-lin):
see pramlintide acetate.
Syndrome x:
see insulin resistance and metabolic syndrome.
syringe (suh-RINJ):
a device used to inject medications or other liquids into body tissues. The syringe for insulin has a hollow plastic tube with a plunger inside and a needle on the end.
Syringe
systolic pressure (siss-TOL-ik) (PRESH-ur):
the blood pressure when the heart pushes blood out into the arteries.
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team management:
a diabetes treatment approach in which medical care is provided by a team of health care professionals including a doctor, a dietitian, a nurse, a diabetes educator, and others. The team provides information and advises the person with diabetes.
thiazolidinedione (THY-uh-ZOHL-ih-deen-DY-ohn):
a class of oral medicine for type 2 diabetes that helps insulin take glucose from the blood into the cells for energy by making cells more sensitive to insulin. (Generic names/Brand names: pioglitazone/Actos; rosiglitazone/Avandia.)
TIA (TEE-EYE-AY):
see transient ischemic attack.
tight control:
see intensive therapy.
tinea pedis (TIN-ee-uh) (PEE-diss):
see athlete's foot.
TNDM:
see transient neonatal diabetes mellitus.
tolazamide (tol-AZ-uh-myd):
an oral medicine used to treat type 2 diabetes. Tolazamide lowers blood glucose by helping the pancreas make more insulin and by helping the body better use the insulin it makes. Tolazamide belongs to the class of medicines called sulfonylureas. (Available only in generic form.)
tolbutamide (tol-BYOO-tuh-myd):
an oral medicine used to treat type 2 diabetes. Tolbutamide lowers blood glucose by helping the pancreas make more insulin and by helping the body better use the insulin it makes. Tolbutamide belongs to the class of medicines called sulfonylureas. (Available only in generic form.)
trans fat:
a type of dietary fat that increases the risk of heart disease. Trans fat is produced when liquid oils are turned into solids through a process called hydrogenation. Foods with trans fat include those listing hydrogenated or partially hydrogenated fat on the label, such as crackers, snack foods, commercially produced baked goods, and some stick margarines.
transient ischemic attack (TIA) (TRANZ-see-uhnt) (iss-KEE-mik) (uh-TAK):
a condition in which blood flow to the brain is temporarily blocked. TIAs can cause temporary weakness or numbness, sudden confusion, dizziness, vision problems, or severe headache.
transient neonatal diabetes mellitus (TNDM) (TRANZ-see-uhnt) (NEE-oh-NAY-tuhl) (DY-uh-BEE-teez) (MEH-luh-tuhss):
a rare, monogenic form of diabetes that occurs in the first 6 months of life. TNDM disappears during infancy but can reappear later in life.
transplant (TRANZ-plant):
replacement of a damaged or diseased organ with a healthy one.
triglyceride (try-GLISS-ur-eyed):
the storage form of fat in the body. High triglyceride levels may occur when diabetes is out of control.
type 1 diabetes (typ) (whuhn) (DY-uh-BEE-teez):
a condition characterized by high blood glucose levels caused by a total lack of insulin. Occurs when the body's immune system attacks the insulin-producing beta cells in the pancreas and destroys them. The pancreas then produces little or no insulin. Type 1 diabetes develops most often in young people but can appear in adults.
type 2 diabetes (typ) (too) (DY-uh-BEE-teez):
a condition characterized by high blood glucose levels caused by either a lack of insulin or the body's inability to use insulin efficiently. Type 2 diabetes develops most often in middle-aged and older adults but can appear in children, teens, and young people.
type I diabetes (typ) (whuhn) (DY-uh-BEE-teez):
former term for type 1 diabetes.
type II diabetes (typ) (too) (DY-uh-BEE-teez):
former term for type 2 diabetes.
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U
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U-100 (YOO-whuhn-HUHN-dred):
see unit of insulin.
UKPDS:
see United Kingdom Prospective Diabetes Study.
ulcer (UHL-sur):
a deep, open sore or break in the skin.
United Kingdom Prospective Diabetes Study (UKPDS) (yoo-NY-ted) (KING-duhm) (pruh-SPEK-tiv) (STUHD-ee):
a British study 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.
unit of insulin (YOO-nit) (uhv) (IN-suh-lin):
the basic measure of insulin. U-100 insulin means 100 units of insulin per milliliter (mL) or cubic centimeter (cc) of solution. Most insulin made today in the United States is U-100.
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-uh):
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.
urinalysis (YOOR-ih-NAL-ih-siss):
a test of a urine sample that can reveal many problems of the urinary tract and other body systems. The sample may be observed for color, cloudiness, concentration; signs of drug use; chemical composition, including glucose; the presence of protein, blood cells, or germs; or other signs of disease.
urine (YOOR-in):
liquid waste product filtered from the blood by the kidneys, stored in the bladder, and expelled from the body by the act of urinating.
urologist (yoo-ROL-uh-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 erectile dysfunction.
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V
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vaginal yeast (VAJ-ih-nuhl) (yeest):
see Candida.
vascular (VASS-kyoo-lur):
relating to the body's blood vessels.
Vascular system
vein (vayn):
a blood vessel that carries blood to the heart.
very-low-density lipoprotein (VLDL) cholesterol (VAIR-ee-loh-DEN-sih-tee) (LIP-oh-PROH-teen) (koh-LESS-tur-ol):
see VLDL cholesterol.
vitrectomy (vih-TREK-tuh-mee):
surgery to restore sight in which the surgeon removes the cloudy vitreous humor in the eye and replaces it with a salt solution.
vitreous humor (VIT-ree-uhss) (HYOO-mur):
the clear gel that lies behind the eye's lens and in front of the retina.
VLDL cholesterol (VEE-EL-DEE-EL) (koh-LESS-tur-ol):
stands for very-low-density lipoprotein cholesterol. A form of cholesterol in the blood. High levels may be related to cardiovascular disease.
void (voyd):
to urinate; to empty the bladder.
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W
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wound care:
steps taken to ensure a wound such as a foot ulcer heals correctly. People with diabetes need to take special precautions so wounds do not become infected.
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X
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xylitol (ZY-lih-tol):
a carbohydrate-based sweetener found in plants and used as a substitute for sugar; provides calories. Found in some mints and chewing gum.
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Page last updated: December 5, 2011
