fibrous astrocyte

What happens is that the inflammation of the liver triggered by the infection causes it to contract and it becomes a fibrous blob.

But this paper was a very tough, fibrous substance, and would resist quite a heavy blow as well as keep out the cold.

“Fibrous” applies metaphorically to mental qualities; it means strong, sinewy—high talents, just below genius.

The essential point in which it differs from any other known mineral consists in its being at once fibrous and textile.