F / col SEM of cholesterol crystals

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F / col SEM of cholesterol crystals

False-colour scanning electron micrograph (SEM) of crystals of cholesterol, a sterol, a fat-like material synthesised by all animal cells. It is a major constitutent of the cell membrane, a precursor to the formation of sex hormones & the source of bile salts. A third of body cholesterol is made in the liver. Its excretion, directly or as bile salts, is the sole responsiblitiy of the liver. Body cholesterol is added to by dietary cholesterol from meat & dairy products. High levels are associated with atheroma & coronary heart disease but the relationship is unclear. Magnification: x290 at 35mm size, x580 at 6x7cm size

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6294931

© CNRI/SCIENCE PHOTO LIBRARY

Atheroma Bile Cholesterol Compound Compounds Coronary Heart Disease Crystal Crystals Fatty Plaque Sterol

EDITORS COMMENTS
This print showcases the intricate beauty of cholesterol crystals, captured through a false-color scanning electron micrograph (SEM). Cholesterol, a vital sterol found in all animal cells, is depicted here in its crystalline form. Serving as a crucial component of cell membranes and acting as a precursor to sex hormones, cholesterol plays an essential role in our bodies. The liver takes on the responsibility of producing one-third of the body's cholesterol while also facilitating its excretion, either directly or as bile salts. However, dietary intake from meat and dairy products contributes to overall body cholesterol levels. The relationship between high cholesterol levels and conditions like atheroma (fatty plaque) and coronary heart disease remains somewhat unclear. At magnifications of x290 for 35mm prints and x580 for 6x7cm prints, this SEM image allows us to appreciate the intricate details within these crystals. Science Photo Library has expertly captured this mesmerizing composition that combines elements of crystallography with chemistry.

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