Cholesterol - Wikipedia
Cholesterol is the principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. [3] [4] Cholesterol is biosynthesized by all animal cells [citation needed] and is an essential structural and …
Structure of cholesterol: What it is, function, and types
2022年7月29日 · Cholesterol comprises carbon, hydrogen, and oxygen. It is a waxy, fatty substance that is solid and white or light yellow. Its chemical formula is C 27 H 46 O. This means it has 27 atoms...
Cholesterol | C27H46O | CID 5997 - PubChem
Cholesterol is a cholestanoid consisting of cholestane having a double bond at the 5,6-position as well as a 3beta-hydroxy group. It has a role as a human metabolite, a mouse metabolite, a Daphnia galeata metabolite and an algal metabolite. It is a 3beta-sterol, a cholestanoid, a C27-steroid and a 3beta-hydroxy-Delta (5)-steroid.
Biochemistry, Cholesterol - StatPearls - NCBI Bookshelf
2023年8月8日 · Cholesterol is a structural component of cell membranes and serves as a building block for synthesizing various steroid hormones, vitamin D, and bile acids. Besides their structural role providing stability and fluidity, cholesterol also plays a crucial role in regulating cell function.
Cholesterol and Cholesterol Esters - structure, occurrence ...
2024年11月20日 · Cholesterol plays a vital role in animal life, and it is essential both as a structural component of cell membranes and as a precursor of steroid hormones and bile acids in cells. It takes part in cell signalling, transport processes, nerve conduction and the regulation of gene transcription.
Physiology, Cholesterol - StatPearls - NCBI Bookshelf
2023年3月6日 · Cholesterol is a lipophilic molecule that is essential for human life. It has many roles that contribute to normally functioning cells. For example, cholesterol is an important component of the cell membrane. It contributes to the structural makeup of the membrane as well as modulates its fluidity.
Cholesterol | Chemical Compound | Britannica
2024年11月22日 · cholesterol, a waxy substance that is present in blood plasma and in all animal tissues. Chemically, cholesterol is an organic compound belonging to the steroid family; its molecular formula is C 27 H 46 O. In its pure state it is a white, crystalline substance that is odourless and tasteless.
2.5: Cholesterol - Biology LibreTexts
2022年5月14日 · The human body contains about 100 g of cholesterol. Most of this is incorporated in the membranes from which cells are constructed and is an indispensable component of them. The insulating layers of myelin wound around neurons are especially rich in cholesterol. The structure of Cholesterol
Cholesterol, Triglycerides, and Associated Lipoproteins
Laboratory findings include a variable level of total plasma cholesterol with decreased esterified cholesterol, an increase in unesterified cholesterol and increased VLDL. The structure of all the lipoproteins is abnormal.
Structural Biochemistry/Lipids/Cholesterol - Wikibooks
2024年6月10日 · Cholesterol is a lipid with a unique structure consisting of four linked hydrocarbon rings forming the bulky steroid structure. There is a hydrocarbon tail linked to one end of the steroid and a hydroxyl group linked to the other end.