(n.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa.
(n.) The ovaries of a cooked lobster; -- so called from their color.
(n.) A piece of coral, usually fitted with small bells and other appurtenances, used by children as a plaything.
Example Sentences:
(1) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
(2) What are the major threats that face the world's coral reefs and what more needs to be done to protect them?
(3) But the study’s co-author Mark Hay, a professor from the Georgia Institute of Technology, said the discovery here was that greater carbon concentrations led to “some algae producing more potent chemicals that suppress or kill corals more rapidly”, in some cases in just weeks.
(4) Facebook Twitter Pinterest Table corals provide an excellent hiding place for smaller fish.
(5) But the Guardian can now reveal Australia will also need to report on how it is dealing with the current bleaching, where almost a quarter of the coral on the reef has been killed.
(6) Guillermo Diaz-Pulido, a Griffith University associate professor, said the research was “a major step forward in understanding how seaweeds can harm corals and has important implications for comprehending the consequences of increased carbon dioxide emissions on the health of the Great Barrier Reef”.
(7) A new allele of white-coral (wco2) was isolated from Canton S after mutagenesis.
(8) The Infinity towel comes in colours more vibrant than one might expect from an eco-friendly product, including coral, green, blue and violet.
(9) Warming water will make it hard for many of the reef’s corals to survive, while the acidification of the oceans will hinder the ability of remaining corals to form their skeletons.
(10) Tyr190 may react with the coral toxin by nucleophilic addition at one of the carbons associated with an epoxide, and may form part of the alkylammonium-binding subsite of the acetylcholine recognition site.
(11) A recent study suggests that coral disease is doubled when dredging occurs near reefs, although supporters of the dredging have repeatedly insisted it can be done safely and that the Abbot Point sediment will be dumped around 40km from the nearest reef.
(12) This process hinders the ability of corals to produce the skeletal building blocks of reefs.
(13) We’re currently due to fly back on Friday afternoon and were not too concerned about it just yet.” Mohammed Sami, general manager of the Coral Sea Sensatori, one of Sharm el-Sheikh’s largest resorts, said the move had created uncertainty for holidaymakers.
(14) Incidentally, it’s the algae that give the coral its colour; and so when it’s ejected, the coral takes on a ghostly white hue, giving rise to the term “bleaching”.
(15) So are you optimistic then about the future survival of the world's coral reefs in the long term?
(16) Facebook Twitter Pinterest Coral bleaching on the Great Barrier Reef worse than for decades The photos were taken from around Lizard Island by Lyle Vale from Coral Watch at the University of Queensland .
(17) So we looked at the economic contribution of tourists to that area and compared it with the cost of interventions to improve water quality and coral reef health in that area.
(18) Freed of the need to wave their tentacles around to hunt for food, the coral can devote more energy to secreting the mineral calcium carbonate, from which they form a stony exoskeleton.
(19) It was the fourth mass bleaching to hit the reef in recorded history – all since 1998 – and coral scientists are alarmed the increasing regularity of these events gives stressed coral precious little chance to recover.
(20) In areas near the loaders, enough has accumulated to have a toxic effect on the corals that grow there.
Gorgonian
Definition:
(a.) Pertaining to, or resembling, a Gorgon; terrifying into stone; terrific.
(a.) Pertaining to the Gorgoniacea; as, gorgonian coral.
(n.) One of the Gorgoniacea.
Example Sentences:
(1) Lophotoxin, a diterpene lactone paralytic toxin from gorgonian corals of the genus Lophogorgia, inhibits [125I]-alpha-toxin binding to surface nicotinic receptors of BC3H-1 cells by irreversible occupation of the primary agonist sites.
(2) Dihydrosinularin and 11-epi-sinulariolide acetate have been isolated previously from soft corals which, together with gorgonians, are the richest sources of marine cembranoids.
(3) Lophotoxin is a diterpene lactone isolated from gorgonian corals.
(4) Brianolide (1), a new antiinflammatory diterpenoid of the briarein class, possessing a beta substituent at C-12 (R), has been isolated from the Okinawan gorgonian Briareum sp.
(5) Despite the considerable effort expended in the exploration of alternative, large-scale sources of eicosanoids, the first-discovered nonmammalian source--the gorgonian Plexaura homomalla--remains by far the most impressive.
(6) In gorgonian outlines, due to their limited multi-scale organization, we have found curved trends typical of non-fractal lines.
(7) This suggests that gorgonian growth mechanisms retain a self-similar design, which becomes evident only in species combining a large size with a high branch density.
(8) The organic matrix of spicules prepared from the gorgonian Pseudoplexaura flagellosa (Houttuyn) is alcianophilic.
(9) A new azulene pigment, 2,3-dihydrolinderazulene, has been isolated along with guaiazulene and linderazulene as bioactive metabolites from the gorgonian Acalycigorgia sp.
(10) Lophotoxin and lophotoxin analog-1 are uncharged cyclic diterpenes obtained from gorgonian corals.
(11) The unique chemical structure and covalent reactivity of these gorgonian coral toxins will undoubtedly allow further insights into the structure of the agonist recognition site.
(12) The biological and biochemical pharmacology of fuscoside, a novel anti-inflammatory marine natural product isolated from the Caribbean gorgonian Eunicea fusca, has recently been characterized using murine (part I) and human (part II) models of inflammation.
(13) The intercellular material of the gorgonian contains a galactose-specific lectin, as determined by double diffusion experiments and haemagglutination inhibition experiments using a series of galacto-glycoconjugates.
(14) This paper is a brief review of the diterpenoid chemistry of gorgonian corals of the genus Pseudopterogorgia.
(15) Praelolide is a new compound which was isolated out from the gorgonian, Menella praelonga (Ridley), collected from the South Sea of China at Zhanjiang, Guangdong.
(16) Crassin acetate, a lactonic cembrane diterpene, has been shown to be the principal antineoplastic agent present in the marine invertebrates (gorgonians) Pseudoplexaura porosa, P. flagellosa, P. wagenaari and P. crucis.
(17) Four species of gorgonians: three related pseudoplexaurids Pseudoplexaura porosa, P. flagellosa and P. wagenaari; and the unrelated Pseudopterogorgia americana, are sources of zooxanthellae capable, in purified broken cell preparations, of converting [14C]labeled farnesyl pyrophosphate into squalene.
(18) Prostaglandin A2 is a major constituent of the gorgonian Plexaura homomalla, and there is evidence that its biosynthesis involves a noncyclooxygenase pathway.
(19) Gorgonian growth has been hitherto studied mostly by investigating the influence of different environmental conditions on shape and orientation.
(20) Colony outlines of the gorgonian species Eunicella singularis, Eunicella cavolinii, Paramuricea clavata, and Lophogorgia ceratophyta have been digitized and their length measured by traveling along them with a series of logarithmically increasing steps.