The phrase "fibrous structure" means something that is made up of fibers. Imagine a strong and flexible material that looks like a bunch of threads or strands tightly woven together. That is a fibrous structure!
Sentences with «fibrous structure»
It's two halves are separated by the thin fibrous structure called linea alba. (fitnessandpower.com)
As these misfolded proteins aggregate together, they create long fibrous structures known as amyloids. (technologyalpha.net)
Conventional techniques used to image proteins, such as X-ray crystallography and nuclear magnetic resonance imaging, don't work with fibrous structures such as amyloids. (wi.mit.edu)