fibrous
Technical term used in biology, materials science, and medicine to describe tissue or materials composed of fibers.
この組織は繊維性の結合組織でできている。
This tissue is made of fibrous connective tissue.
Compound of 繊維 (せんい, 'fiber') + 性 (せい, '-ness, -like'), forming a technical adjectival noun meaning 'fibrous'.