rhizoid
/ˈraɪzɔɪd/
noun
- A thin, root-like structure that helps some plants, fungi, or algae hold onto a surface and absorb water and nutrients.
- Mosses use tiny rhizoids to anchor themselves to rocks and tree bark.
- Unlike true roots, rhizoids do not have tubes to carry water up the stem.
- The rhizoids of a fern look like fine hairs growing from the bottom of the plant.