Definition of stria in English:

stria

noun

technical
  • 1A linear mark, slight ridge, or groove on a surface, often one of a number of similar parallel features.

    • ‘Here the medial surface shows a small patch of parallel striae.’
    • ‘The striae ridges are broad and bifurcate both apically and basally, and the grooves are narrow and sharp.’
    • ‘Both mineral elongation lineation and striae are observed in clasts.’
    • ‘Evidence for these glaciers in the park is in the form of roches moutonées, rock erratics, striae and groove markings.’
    • ‘The suture between the dentary and postsplenial and splenial is partly visible on the latter, where it is marked by striae.’
    band, line, strip, stripe, vein, slash, bar
    View synonyms
    1. 1.1Anatomy
      Any of a number of longitudinal collections of nerve fibers in the brain.
      • ‘Other structures seen in the roof of the temporal horn of the lateral ventricle are the tail of the caudate nucleus and the stria terminalis.’
      • ‘The second marker was the presence of abdominal striae and their visual assessment as either mild or marked.’
      • ‘Close to the midline, the habenular nucleus is connected anteriorly to the stria medullaris thalami.’
      • ‘Two pairs of medial and lateral longitudinal striae of white matter are embedded within the gray matter of the indusium, creating four fine ridges.’
      • ‘The delicate stria medullaris thalami can be traced backwards between the dorsal and medial surfaces of the thalamus towards the habenular trigone.’

Origin

Late 17th century (as a scientific term): from Latin, literally furrow.

Pronunciation:

stria

/ˈstrīə/