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 Sensor The Blood Pressure Sensor is a non-invasive sensor designed to measure human blood pressure. It can be used to measure systolic and diastolic blood pressure Blood Pressure Transducer #1050 The 1050 Blood Pressure transducer can be used to measure direct arterial or venous pressure in animals for research or teaching. The solid state pressure Candida parapsilosis fungemia associated with parenteral nutrition C. parapsilosis was isolated from 11 (32%) of 34 in-use and stored blood pressure transducers. After ethylene oxide sterilization of blood pressure Blood Pressure Transducers - Deltran Utah Medical Products, Inc. Deltran^ Disposable Blood Pressure Transducers. Neonatal/Pediatric Blood Pressure Transducers and Needleless Blood Utah Medical Products, Inc. Deltran^ Neonatal and Pediatric Blood Pressure Monitoring and Needleless Blood Collection Systems. Blood Pressure - Intravascular Arterial and venous blood pressures can be monitored using an intravascular catheter, pressure transducer, bridge amplifier and a PowerLab. Blood Pressure - Invasive We stock a wide range of transducers and accessories for Life Science Mikro-Tip Blood Pressure Catheters, Mikro-Tip Implantable Blood Pressure Catheters Blood pressure Transducers The ISOTEC is an inexpensive pressure transducer for arterial and venous blood pressure measurement and consists of a cable with plugs at both sides and the TruWave Disposable Pressure Transducer The pressure monitoring kit with the TruWave disposable pressure transducer is a sterile, single-use kit that monitors blood pressure when attached to Transducers ( Pressure ) - Biocompare Buyer's Guide myNeuroLab.com, Description: MNL 421015 Blood Pressure TransducerThe MNL 421015 Blood Pressure transducer can be used to measure direct. Disposable Blood Pressure Transducers: Calibration Methods Member hospital: We are currently looking at different suppliers from whom to obtain disposable blood pressure transducers. Several models that we are Blood pressure - Wikipedia, the free encyclopedia The equipment is functionally similar to that of the auscultatory method, but with an electronic pressure sensor (transducer) fitted in to detect blood flow Blood Pressure Monitor: BP-2 - Columbus Instruments - Instrument The BP-2 employs Columbus Instruments Blood Pressure Transducers or any 350 ohm bridge type 1875 Blood Pressure Transducer connecting cable for 1860 & 1870. MEM:Archive:MEMS:The Future of Medical Microelectromechanical Systems In the silicon MEMS blood pressure transducer, pressure corresponds to deflection of a The MEMS transducer senses blood pressure through a silicon-based FDA > CDRH > Product Classification Database Search Regulation Description, Extravascular blood pressure transducer. Regulation Medical Specialty, Cardiovascular. Review Panel, Cardiovascular KTH Signals, Sensors and Systems :: (none) "Miniaturized pressure sensor using a free hanging strain-gauge with leverage effect for increased sensitivity", presented at Transducers'01 |
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