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. |
| blood pressure mean |
|
What does high blood pressure mean? | Beebleblog Learn the basic principles behind high blood pressure, the causes and what it means to you. The relation between intracranial pressure, mean arterial pressure Mean Arterial Pressure and Cerebral Blood Flow in Patients . mean blood pressure. mm Hg. Fig. 4. 1-Iere the flow values are compared with MAP at WikiAnswers - What does the top number in your blood pressure mean What does 140 over 90 mean? Learn about high blood pressure numbers. What do the two number record mean while measuring blood pressure represent? Meaning of blood pressure,farsightedness,drug interactions,blood PCAT questions and answers, 1 what does blood pressure mean? what is the meaning of blood pressure? meaning for blood pressure online free me What do the numbers mean in a blood pressure reading? What do the numbers in a blood pressure reading mean and what is a "healthy" blood pressure? Shannon Renton, Washington. Dear Shannon: Association Between Local Pulse Pressure, Mean Blood Pressure, and Backgroundâ”The aim of the present study was to determine the respective influences of local pulse pressure and mean blood pressure on arterial remodeling in Natural Remedies for High Blood Pressure Calcium supplementation appears to have a modest but statistically significiant reduction in systolic blood pressure (mean difference of 2.5 mm Hg), About High Blood Pressure Everybody has and needs blood pressure. Learn more about it. Mean arterial pressure As blood is pumped out of the left ventricle into the arteries, pressure is generated. The mean arterial pressure (MAP) is determined by the cardiac output Arterial blood pressure When blood pressure is measured using a sphygmomanometer, the upper value There is only a small decline in mean arterial pressure as the pressure pulse McKinley Health Center - What Does Blood Pressure Mean Health information discussion on what affects blood pressure (exercise, nutrition, alcohol, stress, smoking). Measuring Blood Pressure, what the numbers mean. What do the numbers mean? When you have your blood pressure measured, it is written down as two numbers, one over the other like a fraction. For example: Low blood pressure The higher your blood pressure, the higher your risk of heart disease and stroke, whatever your level is. This means that someone with a blood pressure of Blood pressure - Wikipedia, the free encyclopedia The American Heart Association website 7 states, "You may have what's called 'white coat hypertension'; that means your blood pressure goes up when you're Mean arterial pressure - Wikipedia, the free encyclopedia The mean arterial pressure (MAP) is a term used in medicine to describe a notional average blood pressure in an individual. It is defined as the average Blood Pressure - What is MAP ? - Heart Disease - MedHelp Exercise can lower blood pressure) raise the pulseNeck pulse . Extrinsic influences on arteriole tone maintain mean arterialArterial embolism Blood pressure: A chart explaining your blood pressure reading Blood pressure readings are grouped into four categories. Here's a look at the four blood pressure categories and what they mean for you. High Blood Pressure - What it means and what you can do about it A description of high blood pressure, risk factors of high blood pressure and treatment for controlling hypertension. High blood pressure (hypertension) - causes, treatments and High blood pressure (hbp) or hypertension means high pressure (tension) in the arteries. Arteries are vessels that carry blood from the pumping heart to all |
| blood pressure mean |
|
blood pressure causes blood pressure recordings blood pressure control system blood pressure cuffs |