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Thallus vs Holdfast - What's the difference?

thallus | holdfast |

As nouns the difference between thallus and holdfast

is that thallus is an undifferentiated plant body, such as in algae while holdfast is something to or by which an object can be securely fastened.

thallus

English

Noun

(thalli)
  • (botany) An undifferentiated plant body, such as in algae.
  • (botany) Any plant body lacking vascular tissue.

    • Related terms

    * thalliform * thalline * thallodal * thalloid * Thallobionta * Thallophyta * thallophyte * thallose

    holdfast

    English

    Noun

    (en noun)
  • Something to or by which an object can be securely fastened.
  • (zoology) A root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate.
  • (archaic, medicine) Actinomycosis.

    • See also

    * (wikipedia "holdfast") * (commonslite)