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d-glu·cose (G, Glc),(glū'kōs),
blood sugarSee Glucose, Hyperglycemia, Hypoglycemia.
blood sug·ar(blŭd shug'ăr) Colloq. for plasma glucose concentration.
See also: glucose
blood sugarSee BLOOD GLUCOSE.
blood sugarsee BLOOD PLASMA.
blood glucose(often loosely called 'blood sugar') is obtained by digestion of carbohydrates and by release from liver glycogen, and is taken up by the cells of the organs and tissues for use as an energy substrate. In healthy people, blood glucose concentration is homeo statically controlled within a fairly narrow range; maintenance of the normal level is critical for the function in particular of those tissues with an obligatory demand for glucose (brain, red blood cells, renal cortex, mammary gland and testis). Hormones involved include insulin, tending to lower blood concentration, and glucagon, glucocorticoids, adrenaline and growth hormone, tending to raise it. It seldom falls below about 5 mmol.L-1, even after prolonged fasting, and returns to this value within a couple of hours of the rise that follows a meal. When there is no uptake from the gut, about 8 g glucose per hour can be provided from the liver by breakdown of glycogen stores and by gluconeogenesis. During prolonged exercise glucose output from the liver closely matches the increased requirement, so that the blood concentration falls only when the hepatic glycogen store is depleted, close to exhaustion. See also hyperglycaemia, hypoglycaemia.
Patient discussion about blood sugar
Q. I would like to compare old blood sugar and today´s blood sugar values or level. what is the difference?
i would like to help but i think i'll need a bit more information...
Q. does anyone know the range for childrens blood sugar?
Q. I have Type II Diabetes, but have regular problems with low blood sugar levels. What should I do? I am an over 60 female who has been diagnosed with Type II Diabetes. I was originally on Metformin, but my doctor discontinued it because I was having severe low blood sugar levels a lot (as low as 40). I have heard that putting me on insulin might help, but I don't see how since I have more low than high levels. Anyone have any suggestions or information about what I can do? (I do follow diabetic eating with proper food and frequent small meals, but that doesn't seem to help.)