holdfast


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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.
References in periodicals archive ?
Five discoidal echinoderm holdfasts and a ptilodictyid bryozoan holdfast are cemented to the hardground surface within the Pakri Formation (Darriwilian) (Fig.
It differs, however, in that the gonads are not situated in the hindbody and the holdfast organ is not situated immediately posterior to the end of the forebody.
It is characterized by an erect flattened blade arising from the discoid holdfast, having 'hairs' from the surface edge and surface cells that are quadrate or rectangular in rows (Fletcher, 1987).
BOWLS: Scotland took another seven wins from 10 matches in the second day of the Six Nations Test Series at the Holdfast Bay club in Adelaide.
as he took his soft grey hat from the holdfast, of the hammock, said: -- I don't know.
The initial sample consisted of Brisbane, Holdfast Bay and Melbourne, in Australia, Kingston and North Bay, in Canada, Mataro, Mostoles and San Cugat, in Spain, Austin, Charlotte, Chula Vista, Fairfax County, Maricopa, Milwaukee, Multnomah County, San Jose, Scottsdale and Tucson, in the USA, Plymouth, in the UK and Gothenburg, Tierp, Norrtalje and Lulea, in Sweden.
While no subtidal habitat assessments were conducted during this study, the spatial distribution of giant kelp canopy can act as a proxy for hard substrate given giant kelp's general ecological need for hard substrate to anchor its holdfast (Dayton 1985).
It is what one might call kerbside appeal that drew Ann Humphries and her husband Dick to Holdfast Post, located in a village on the Worcestershire/Gloustershire borders.
do not quench the Spirit, but test everything and holdfast to
The kit includes a bis g metal mug, camouflage stick, green groundsheet, haversack, mega mallet, 10m rope, 10 holdfast tent pegs, tent peg bag, tough tarpaulin and complete instructions on how to build the perfect den.
The holdfast is discoid, conical or rhizoidal and do no penetrate the substratum.