hydroid


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hydroid

[′hī‚drȯid]
(invertebrate zoology)
The polyp form of a hydrozoan cnidarian. Also known as hydroid polyp; hydropolyp.
Any member of the Hydroida.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In the laboratory, hydroid colonies were placed in shallow flow-through water tables for 2-3 d.
Consider the hydroids and their to-merge-or-not-to-merge dilemma.
Shallow depths of relatively high diversity (i.e., at 5 m depth) were dominated by hydroids, encrusting sponges, and anemones (e.g., Corynactis rubeola).
In contrast, windward roots were dominated by filamentous algae (60-75% cover), fleshy algae (5-35% cover), and small hydroids (40% cover).
Amiloride appeared to be weakly inductive to larvae of the hydroid Hydractinia echinata: a 600 [micro]mol [l.sup.-1] solution of amiloride in seawater induced ~30% of the tested larvae to metamorphose (Berking, 1988).
Doto form A is the most common Doto in the southern California bight and is commonly observed subtidally on campanularid hydroids growing on kelp and other macroalgae.
Norwegian high-tech group Kongsberg Gruppen ASA said on Wednesday (12 December) that its subsidiary Kongsberg Maritime AS has agreed to acquire the US company Hydroid LLC.
Release date- 03092019 - Hydroid Inc., Pocasset, Massachusetts, is awarded a $15,826,493 indefinite-delivery/indefinite-quantity contract for engineering support and training services for the MK 18 Family of Systems- Unmanned Underwater Vehicle systems.
Studies on southwestern Atlantic intertidal hydroid communities are rare, but include distributional inferences for the Brazilian tropical-subtropical coast (Rosso & Marques, 1997), and ecological assessments of seasonal richness, abundance, zonation and substrata for southern temperate waters (Genzano, 1994; Genzano & Rodriguez, 1998).