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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Blood Pressure Monitoring! Sensor-based, Non-Invasive Direct No Cuff, No Catheter, No Kidding! Primo provides fast and accurate BP readings comfortably. With Fusion, get continual blood pressure readings virtually as ALN Magazine™ | Non Invasive Blood Pressure for Mice and Rats The general non invasive blood pressure methodology consists of utilizing a tail cuff placed proximally on the tail to occlude the blood flow. BR-102 Plus, Non-invasive Ambulatory Blood Pressure Monitor The SCHILLER BR-102 plus non-invasive ambulatory blood pressure monitor was validated according to the International Protocol for validation of blood Bioseb: Non Invasive Pressure Measurement Non Invasive Pressure Measurement - Blood pressure is a basic cardiovascular parameter whose determination is widely spread.There are two basic technical Invasive blood pressure monitor, animal research instrumentation We introduced the CyQ line of blood pressure monitoring devices over ten years ago. Accuracy, stability and ease of use is due to the CyQ 103 Signal Mouse Blood Pressure Rat Blood Pressure - Kent Scientific Corporation Specialize in non-invasive mouse blood pressure and rat blood pressure. Our system calculates tail Mouse and Rat Non-Invasive Blood Pressure Systems Invasive arterial blood pressure measurement There are a variety of monitors with invasive blood pressure monitoring for Trauma, critical care and operating room applications. ROTOCOLS FOR RACTICE: Placement of noninvasive blood pressure cuff on upper arm versus invasive blood pressures. Dimens. Crit Care Nurs. 1992;11(5):278-285. Measuring the Blood Pressure Manual non-invasive blood pressure measurement. This requires, at the very least, an inflatable cuff with a pressure gauge (sphygmomanometer). Philips, Patient Monitoring - Invasive Blood Pressure Philips Invasive Blood Pressure measurement delivers real-time waveforms and numeric values and works with a range of catheters and blood pressure Blood pressure - Wikipedia, the free encyclopedia Arterial blood pressure (BP) is most accurately measured invasively. Invasive arterial pressure measurement with intravascular cannulae involves direct |
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