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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Government Forms Headquarters Employee Health Clinic Blood Pressure Record. Form Details Table Title :, Headquarters Employee Health Clinic Blood Pressure Record Free Blood Pressure Tracker - log and analyze your blood pressure Customizable Normal Blood Pressure settings. Version 6.1 adds record . Data can also be viewed in graphical form, and the limitations of the small PDA Merck Frosst Canada - High Blood Pressure Print and fill out this form to keep a permanent record. Blood pressure record · Printer friendly · Email a friend. This site is for residents of Canada. BLOOD PRESSURE RECORDING DEVICE WITH IMPROVED RECORD - Patent 3754545 A device for recording the blood pressure of a person comprising a cuff adapted to encircle 2 is an enlarged detailed view, partially in schematic form, 3. Blood pressure measurement Select the correct cuff for the arm circumference and record the size of the selected cuff in the blood pressure recording data form. |
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