Holdfast is an adhesive base that attaches the thallus of certain microorganisms to a surface.

Webster Dictionary Meaning

1. Holdfast
- Something used to secure and hold in place something else, as a long fiat-headed nail, a catch a hook, a clinch, a clamp, etc.; hence, a support.
- A conical or branching body, by which a seaweed is attached to its support, and differing from a root in that it is not specially absorbent of moisture.
Category: Microbiology
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