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holdfast
(redirected from Holdfasts)

    Also found in: Dictionary/thesaurus, Legal, Wikipedia 0.01 sec.
holdfast [′hōl‚fast]
(botany)
A suckerlike base which attaches the thallus of certain algae to the support.
A disklike terminal structure on the tendrils of various plants used for attachment to a flat surface.
(invertebrate zoology)
An organ by which parasites such as tapeworms attach themselves to the host.
holdfast
A device for securing anything in its place, as a hook, bolt, spike, etc.
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All erect macroalgae and sessile invertebrates were scraped from the rock, which was then intensively burned using a propane torch to destroy residual algal crusts and holdfasts.
Food dependent movement of periwinkles (Littorina littorea) ... by Lauzon-Guay, Jean-Sebastien; Scheibling, Robert E. / Journal of Shellfish Research
Sphenothallus may have been equally happy in normal marine conditions, where traces of holdfasts have also been observed.
Reading between the lines: these lines may represent the fossilized ... by Waddington, Janet / ROM Magazine
The spiny grazers nibble on the kelp holdfasts, or the strands that anchor the seaweed to the seafloor.
Ocean keepers: California's sea otters are mysteriously dying in ... by Norlander, Britt / Science World
 
 
 
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