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stria
[ strahy-uh ]
noun
- a slight or narrow furrow, ridge, stripe, or streak, especially one of a number in parallel arrangement:
striae of muscle fiber.
- Mineralogy. any of a series of parallel lines or tiny grooves on the surface of a crystal, indicative of the mode of growth.
- Architecture. a flute on the shaft of a column.
stria
/ ˈstraɪə /
noun
- Also calledstriation geology any of the parallel scratches or grooves on the surface of a rock caused by abrasion resulting from the passage of a glacier, motion on a fault surface, etc
- fine ridges and grooves on the surface of a crystal caused by irregular growth
- biology anatomy a narrow band of colour or a ridge, groove, or similar linear mark, usually occurring in a parallel series
- architect a narrow channel, such as a flute on the shaft of a column
Word History and Origins
Origin of stria1
Word History and Origins
Origin of stria1
Example Sentences
For example, the bed nucleus of the stria terminalis and parts of the amygdala — brain structures that play a role in social behaviors — are typically larger in male mice than in females.
The characteristic transverse striae, invariably present on the cleavage surfaces of stibnite and cyanite are due to secondary twinning along glide-planes, and have resulted from the bending of the crystals.
While such minute and gradual variations are harmless for most optical purposes, sudden variations which generally take the form of striae or veins are fatal defects in all optical glass.
They are covered with groovings, which range from the finest striae left by sharp grains of sand to deep ruts ground out by blocks of stone.
Central Longitudinal Stria.—This configuration is nearly the same as in 1, the only difference being that a perpendicular stria is enclosed within the transverse furrows, as if it were a nucleus.
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