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.

animal blood pressure
Chaotic Behavior Of Blood Pressure And Heart Rate In The Conscious
In this animal, data forecasting using a delay time of heart interval and blood pressure in the conscious dog, and that

WikiAnswers - What animal has the highest blood pressure
Animal with the highest blood pressure? What animal have the highest pressure? Which animal are consider to have highest blood presure?

Method for measuring blood pressure in an animal or human using a
A percutaneous access port for providing access to a selected organ in an animal which includes a base assembly and a septum assembly.

'Sewer gas' induces suspended animation without decreasing blood
An animal's blood pressure needs to remain at a certain level to ensure blood reaches the vital organs. Normally, a mouse with that heart rate would have

Sex Differences Blood Pressure of Dogs Metabolism Cage for Small
a mercury. manometer. After. the. normal. blood. pressure. readings had been ascertained, these. animals. were. used for other experimental. purposes,

BBC NEWS | Health | Dog-owners 'lead healthier lives'
In some cases, the social support offered by an animal is greater than the support As well as lower blood pressure and cholesterol, she said dog-owners

Blood pressure measuring devices, Information about Blood pressure
Blood pressure measuring devises are theonly means through which high blood Hales inserted a brass pipe into an animal's blood vessel and used the

European Journal of Pharmacology : Elevation of systolic blood
Elevation of systolic blood pressure in an animal model of olanzapine induced weight gain. Basanagouda M. Patil Corresponding Author Contact Information

Non-Invasive Blood Pressure in Mice and Rats - Wikipedia, the free
The advantage of implantable radio telemetry is the ability to continuously measure blood pressure in free moving laboratory animals.

Cardiovascular Hemodynamics | Small Animal Noninvasive Blood
Measure nonivasive blood pressure from small animals using the NIBP200A. The NIBP200A incorporates a built-in pump that automatically inflates the blood

Blood Pressure Measuring Devices
Hales devised a method to measure the pressure exerted on the blood vessels as blood was pumped through them. He inserted a brass pipe into an animal's

NASAexplores 9-12 Lesson: Blood Pressure (Teacher Sheets)
This is your body's way of getting you to lower your head and increase blood flow to the brain. Each type of animal on Earth has a standard blood pressure

Noninvasive Measurement of Systemic Arterial Blood Pressure in the
All animals were acclimated for a minimum. of 1 week prior to use. For the comparison ofdirectly and. indirectly measured blood pressure adult mongrel dogs

Blood Pressure Drug Telmisartan Shows Powerful Activity Against
The new animal study was not constructed to specifically look at telmisartan's effect on stroke. "Because blood pressure is closely related to stroke risk,

Animal Longevity and Scale
As the scale of an animal increases the body weight and volume increase with the If blood pressure were proportional to scale then the coefficient for

Animal Blood Pressure
PowerLab systems and Chart make it easy for students to measure blood pressure in animals using intravascular or non-invasive techniques.

Animal Blood Pressure Monitoring (Misc.) - Biocompare Buyer's Guide
Description: Provided the room temperature is at least 23` C, animals blood pressure can be measured without heating the.

Animal Blood Pressure Monitoring - Biocompare Buyer's Guide
(1) » Animal Function (Pharmo » Animal Blood Pressure M Back up one level Animal Blood Pressure Monitoring (Misc.)


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