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streak
(redirected from Fatty streak)

   Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia 0.02 sec.

streak

Colour of a mineral in its powdered form, usually obtained by rubbing the mineral on a hard, white surface (e.g., a tile of unglazed porcelain) to yield a streak of fine powder. The streak's colour is usually constant for a given mineral, even if the mineral varies in colour as it occurs in the field or if the streak is different from the colour of the unpowdered mineral. Streak is diagnostically useful because it may distinguish between mineral species that are otherwise similar in appearance.


streak
1. 
a. (of lightning) a sudden flash
b. (as modifier): streak lightning
2. Mineralogy the powdery mark made by a mineral when rubbed on a hard or rough surface: its colour is an important distinguishing characteristic

streak [strēk]
(mineralogy)
The color of a powdered mineral, obtained by rubbing the mineral on a streak plate.


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Hamsters develop fatty streaks in the walls of their arteries in a similar way to humans, which is a sign of heart disease.
Meanwhile, the aortic fatty streak lesion area, which measures atherosclerosis levels, fell by 93% and 60% for the apple juice and purple grape juice groups compared to 78% and 48% for the mashed fruits.
Researchers have found the beginning of fatty streaks in the arteries of children as young as three years old.
 
 
 
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