(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.
Coralline
Definition:
(a.) Composed of corallines; as, coralline limestone.
(n.) A submarine, semicalcareous or calcareous plant, consisting of many jointed branches.
(n.) Formerly any slender coral-like animal; -- sometimes applied more particulary to bryozoan corals.
Example Sentences:
(1) Coralline hydroxyapatite (CHAP) is a porous, biocompatible bone-graft substitute manufactured by the Replamineform process.
(2) In contrast to autografts, incorporation of coralline implants was characterized by predictable osseous growth and apposition with preservation of intrinsic architecture.
(3) Radiographic film densitometry was found not to be reliably predictive of coralline implant behavior in the individual case.
(4) Coralline hydroxy-apatite blocks strengthened with a membrane made of a combination of polylactide and polyglycolic acid were inserted into bony defects created in 12 rabbit skulls.
(5) The permanent fixed partial denture is functional, and radiographic evaluation indicates the continued presence of the porous coralline hydroxyapatite implant.
(6) The systems consisted of either a combination of the bone inductive protein (osteogenin) plus type I collagen (Os + C) or the combination of osteogenin with coralline hydroxyapatite (Os + HA).
(7) It is concluded that coralline hydroxyapatite bone graft substitutes appear to offer no particular advantage over autogenous grafts in the management of diaphyseal defects, although further investigation is warranted since other factors may be responsible for the unfavorable findings in this study.
(8) Biomechanical testing was carried out on all grafts following harvest at 6 months, as well as on nonimplanted coralline hydroxyapatite and autogenous iliac cancellous bone.
(9) While normally the bone formed in coralline hydroxylapatite is secondary (lamellar), in this specimen primary (woven) bone was found.
(10) We illustrate the idea of the self-repairing model in non-articulated coralline algae.
(11) Additional treatments consisted of coralline hydroxyapatite (HA) or untreated control defects.
(12) The possibility of using coralline hydroxy-apatite in combination with polylactide and polyglcycolic acid instead of a bone graft in the skull region is examinated.
(13) Porous (coralline) hydroxylapatite appears to be an excellent otologic graft material.
(14) Forty-six nonconsecutive patients undergoing orthognathic surgery in whom blocks of coralline, porous hydroxyapatite (Interpore-200) were used in lieu of interpositional bone grafts are the subjects of this report.
(15) These results strongly support the use of coralline PBHA along with bone plate fixation to provide predictable stability in orthognathic surgery.
(16) Evolving radiographic findings reflect the biocompatible nature of these implants, which provides the potential for ingrowth of native bone with preservation of the coralline scaffold, resulting in enhanced biomechanical properties.
(17) Porous coralline and synthetic hydroxyapatite blocks reinforced with either self-reinforced polyactide or polyglycolide were implanted into 15 lumbar intervertebral disc spaces in five minipigs in order to determine whether they could provide an osteoconductive bridge for interbody fusion.
(18) This study was designed to quantitate the rate of vascularization of coralline hydroxyapatite when used in an onlay application to membranous bone in an animal model.
(19) Coralline hydroxylapatite is a highly biocompatible material which showed abundant ingrowth when in contact with host bone.
(20) In contrast, the coralline implant was consistently invaded by fibrovascular tissue, showed bone formation on its internal surfaces and had some periodontal ligament formation around it.