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Other name is
It is present all over the body but absent in cerebrospinal fluid.
Cholesterol is found exclusively in animal food.
It has also been reported to occur in Potato.
The major part of body cholesterol is synthesized in liver and adrenal cortex.
Other organs taking part in synthesis of cholesterol are skin, intestine, kidneys, ovaries and testes.
Normal cholesterol concentration of blood
140 - 250 mg/100 ml.
It also forms component of
low density lipoproteins
10 - 25%) and
high density lipoproteins
Concentration of LDL and VLDL is found to increase in atherosclerosis and coronary thrombosis.
Cholesterol is component of
cell membranes in animals
wall-less bacteria called mycoplasma.
It helps in formation of bile salts.
prevents premature breakdown of erythrocytes.
transports fat to liver
produces sex hormones
- progesterone, estrogen (female sex hormones) and testosterone (male sex hormone).
Moulting hormone ecdysone
is formed from cholesterol in insects.
On combination with a saturated fatty acid, cholesterol forms yellowish plaques in the walls of large and medium sized arteries. The walls become thick fibrotic and calcified. The phenomenon is called
It narrows lumen of arteries resulting in reduced flow of blood.
h control tablets
possess steroid hormone progesterone.
Posted Date: 10/9/2012 5:24:35 AM | Location : United States
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