microfibril
/ˌmaɪkroʊˈfaɪbrəl/
noun
- A very thin fiber or thread-like structure, especially in plant cell walls or animal tissues.
- Under a microscope, you can see the microfibril network in the cell wall.
- Cellulose microfibrils give plant stems their strength.
- The microfibril arrangement affects how flexible a material is.