What is Cholesterol?Cholesterol is a sterol (a combination steroid and alcohol). Cholesterol is a lipid found in the cell membranes of all tissues, and it is transported in the blood plasma of all animals. Because cholesterol is synthesized by all eukaryotes, trace amounts of cholesterol are also found in membranes of plants and fungi.The name originates from the Greek chole- (bile) and stereos (solid), and the chemical suffix -ol for an alcohol, as researchers first identified cholesterol in solid form in gallstones by Francois Poulletier de la Salle in 1769. However, it is only in 1815 that chemist Eugene Chevreul named the compound "cholesterine".[2]Most of the cholesterol is synthesized by the body and some has dietary origin. Cholesterol is more abundant in tissues which either synthesize more or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain. It plays a central role in many biochemical processes, such as the composition of cell membranes and the synthesis of steroid hormones. Cholesterol is insoluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoprotein, spherical particles which have an exterior composed mainly of water-soluble proteins. The main types, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) carry cholesterol from and to the liver.According to the lipid hypothesis, abnormally high cholesterol levels (hypercholesterolemia) and abnormal proportions of LDL and HDL are associated with cardiovascular disease by promoting atheroma development in arteries (atherosclerosis). This disease process leads to myocardial infarction (heart attack), stroke and peripheral vascular disease. As high LDL contributes to this process, it is termed "bad cholesterol", while high levels of HDL ("good cholesterol") offer a degree of protection. The balance can be redressed with exercise, a healthy diet, and sometimes medication. |
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Colloid osmotic pressure in newborn infants: variations with birth Colloid osmotic pressure (COP) of blood was measured directly at birth with the Wescor membrane colloid osmometer (model 4100) in 91 appropriately grown, 2001 Journal: Colloid Osmotic Pressure of Parenteral Nutrition TABLE 1: Colloid osmotic pressure measurements of parenteral nutrition components, artificial colloids, blood. products, and crystalloids using a membrane A microanalysis of colloid osmotic pressure colloid osmotic pressure (COP) of lxl samples by Wieder-. hielm et al. tific Co.) were used to collect blood. About 20 pl of blood, Colloid Osmotic Pressure -- MEYER 113 (2932): 279 -- Science WELLS, H.S., A formula and nomogram for the estimation of the osmotic pressure of colloids from the albumin and total protein concentrations of human blood Pulmonary and Extrapulmonary Effects of Increased Colloid Osmotic Objectives: We tested the hypothesis that an increase in the blood colloid osmotic pressure (COP) that is maintained during early-stage endotoxemia may THE OSMOTIC PRESSURE OF THE COLLOIDS IN FISH SERA blood protein concentration and colloid osmotic pressure fall during starvation, the. blood pressure is also diminished. Although at present both these Science Links Japan | Colloid Osmotic Pressure of Commercial Blood Abstract;The colloid osmotic pressure of routinely used blood products was measured. The following 4 kinds of commercial products were used ; 20% Albumin Critical Care | Full text | Plasma colloid osmotic pressure in The plasma colloid osmotic pressure (COP) plays a major role in transcapillary For this purpose, 1 ml blood was collected during the patient's regularly IngentaConnect Increasing the colloid osmotic pressure of Increasing the colloid osmotic pressure of cardiopulmonary bypass prime and normothermic blood cardioplegia minimizes myocardial oedema and prevents cardiac Kidney International - Abstract of article: Blood volume, colloid Blood volume, colloid osmotic pressure and F-cell ratio in children with the nephrotic syndrome. Johan Vande Walle, Raymond Donckerwolcke, Peter Boer, Control of Arterial Blood Pressure This fluid movement is controlled by the capillary blood pressure, the interstitial fluid pressure and the colloid osmotic pressure of the plasma. THE DETERMINATION OF THE COLLOIDAL OSMOTIC PRESSURE IN BLOOD SERUM of colloid osmotic pressure of human. blood serum in fifteen resting subjects2 we have found values for. mm. of colloid osmotic pressure per gm. of protein Relationship between colloid osmotic pressure and plasma protein Academy. of Science. 8. PRATHER, J., K. A. GAAR,. AND. A. C. GUYTON. Direct. continuous. recording. of plasma. colloid osmotic. pressure. of whole blood. J. Increasing the colloid osmotic pressure of cardiopulmonary bypass We hypothesized that increasing the colloid osmotic pressure of blood cardioplegia would stop fluid filtration into the cardiac interstitium, The standardization of colloid osmotic pressure of blood Besides a number of other characteristic features the colloidal osmotic pressure of blood substitutes is of importance, since it regulates the physiological Plasma proteins and maintaining colloid osmotic pressure? - Yahoo Plasma proteins and maintaining colloid osmotic pressure? To combat this, plasma proteins in the blood exert oncotic pressure, which means that water is www.similima.com - virtual medical world of postgraduate homoeopaths Efferent arteriolar constriction also reduce renal blood flow, filtration fraction and glomerular colloid osmotic pressure increase as efferent arteriolar Swollen Ankles The main force associated with reabsorption is blood colloid osmotic pressure (BCOP). This is a pressure gradient caused by the presence of greater amounts Blood Colloid Osmotic Pressure - What does BCOP stand for What does BCOP stand for? Definition of Blood Colloid Osmotic Pressure in the list of acronyms and abbreviations provided by the Free Online Dictionary and |
| blood colloid osmotic pressure |
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