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Cholesterol

Cholesterol

1. (Science: biochemistry) a pearly, fatlike steroid alcohol, C27H45OH, crystallizing in the form of leaflets or plates from dilute alcohol and found in animal fats and oils, in bile, blood, brain tissue, milk, yolk of egg, myelin sheaths of nerve fibres, the liver, kidneys and adrenal glands.

It constitutes a large part of the most frequently occurring type of gallstones and occurs in atheroma of the arteries, in various cysts and in carcinomatous tissue. Most of the bodys cholesterol is synthesised in the liver, but some is absorbed from the diet. It is a precursor of bile acids and is important in the synthesis of steroid hormones.

2. (Science: chemical) a commercial preparation of cholesterol is used as a pharmaceutic aid.

Synonym: cholesterin.

Origin: gr. Stereos = solid


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development of unstable atherosclerosis

... in by dragging and dropping the phrases into the boxes. 1. ↓ 2. ↓ 3. ↓ 4. ↓ 5. Plasmin causes the thrombus to detach from the endothelium Cholesterol is synthesised in the vessel wall Macrophages enter the arterial wall Fibrous cells and smooth muscle divide in the media. The endothelial ...

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by zak
Thu Nov 28, 2013 6:41 pm
 
Forum: Human Biology
Topic: development of unstable atherosclerosis
Replies: 0
Views: 561

helpppppppppp

... way am i correct 1- Fatty deposits are trapped in the arterial wall 2-The endothelial surface ruptures 3- Macrophages enter the arterial wall 4-Cholesterol is synthesised in the vessel wall 5-Plasmin causes the thrombus to detach from the endothelium

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by zak
Wed Nov 27, 2013 11:15 am
 
Forum: Human Biology
Topic: unstable atherosclerosis
Replies: 3
Views: 920

unstable atherosclerosis

... way am i correct 1- Fatty deposits are trapped in the arterial wall 2-The endothelial surface ruptures 3- Macrophages enter the arterial wall 4-Cholesterol is synthesised in the vessel wall 5-Plasmin causes the thrombus to detach from the endothelium

See entire post
by zak
Tue Nov 26, 2013 2:06 pm
 
Forum: Human Biology
Topic: unstable atherosclerosis
Replies: 3
Views: 920

unstable atherosclerosis

... in by dragging and dropping the phrases into the boxes. 1. ↓ 2. ↓ 3. ↓ 4. ↓ 5. Plasmin causes the thrombus to detach from the endothelium Cholesterol is synthesised in the vessel wall Macrophages enter the arterial wall Fibrous cells and smooth muscle divide in the media. The endothelial ...

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by zak
Tue Nov 26, 2013 11:29 am
 
Forum: Human Biology
Topic: unstable atherosclerosis
Replies: 3
Views: 920

List of enterohepatically cycled nutrients?

... question marks are what I most want to know. 61% Bile salts: (29% sodium 21% chloride 8% bicarbonate 1.6% potassium) 12% Fatty acids 9% Cholesterol 7% Proteins 5% OTHER ?% copper ?% chromium ?% iron ?% zinc ?% manganese ?% molybdenum ?% lithium ?% cobalt ?% nickel ?% boron ?% calcium ...

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by lourat
Sat Nov 09, 2013 6:18 am
 
Forum: Human Biology
Topic: List of enterohepatically cycled nutrients?
Replies: 0
Views: 492
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