(1) This work extends the finding of proctolin-like substances to the annelid phylum.
(2) The microsporidia are a group of unusual, obligately parasitic protists that infect a great variety of other eukaryotes, including vertebrates, arthropods, molluscs, annelids, nematodes, cnidaria and even various ciliates, myxosporidia and gregarines.
(3) These annelids which destroy the larval stages of Fasciola hepatica have been observed in the laboratory.
(4) These include insects, chelicerates, most crustaceans, annelids, priapulids, nematodes, and some sipunculids.
(5) Such a pattern of subunit aggregation has not been observed previously in annelid extracellular hemoglobins and chlorocruorins.
(6) This characteristic distribution of the various neuron subgroups and fiber pathways may represent functional circuits within the nervous system of this annelid.
(7) The emonctory structures, functions and stereotype and their component parts are studied in protists, spongia, coelenterata and coelomata: lower worms, annelids, their hyponeurian descendents (arthropods, molluses) and epineurian descedents echinoderms and protochordates (Stomochordata, Tunicata, Cephalochordata).
(8) Only the position of the mitochondria, inserted between nucelus and axoneme, is reminiscent of annelid features.
(9) The amino acid sequences of the two variants (H1a 121 residues and H1b 119 residues) of the sperm-specific histone H1 from the polychaete annelid Platynereis dumerilii have been completely established.
(10) Biochemical assays of adenylate cyclase activity were performed during the early phases of regeneration in Owenia fusiformis (Polychaete Annelid).
(11) The pattern and degree of accumulation was essentially complete within 2 years after the initial operation of the power plant, and persisted throughout the remainder of the study: fishes greater than insects greater than annelids greater than molluscs greater than crustaceans greater than plankton greater than periphyton.
(12) In this paper we described a third type of repeat isolated from the genome of a Polychaete annelid: Owenia fusiformis.
(13) A hypothesis is proposed in order to explain the differences observed between biochemical and present results, which suggest, for the hardening of cements a different chemical mechanism to that suggested by Vovelle in annelid Sabellaria alveolata.
(14) Experiments were conducted to assess the relationship between annelid age and susceptibility of the annelid as an intermediate host for a caryophyllaeid, as well as the effect a mixed-species infection has on rate of metacestode development and parasite mortality.
(15) We conclude that all annelid extracellular haemoglobins and chlorocruorins which have the same dimensions as Lumbricus haemoglobin probably have the same mol.
(16) ht-en protein, an annelid homolog of the Drosophila engrailed protein, is expressed during both early development and neurogenesis in embryos of the leech, Helobdella triserialis.
(17) Dialyzed extracts of one of these annelids, Lanice conchilega, show activity in the retentate after pronase digestion, suggesting that antitumor activity is associated with a nonprotein component of the crude tentacle extract.
(18) The sequences of nine chains of annelid giant hemoglobins were compared separately in the functionally essential central exonic region and structurally essential side exonic regions, and a phylogenetic tree was constructed.
(19) In embryos of the glossiphoniid leech, Helobdella triserialis, as in many annelids, cytoplasmic reorganization prior to first cleavage generates distinct animal and vegetal domains of yolk-deficient cytoplasm, called teloplasm.
(20) A marked increase in the abundance of the annelid Polydora ligni in aquariums containing sand and flowing estuarine water was altered in the presence of the carbamate insecticide Sevin (carbaryl).
Annul
Definition:
(a.) To reduce to nothing; to obliterate.
(a.) To make void or of no effect; to nullify; to abolish; to do away with; -- used appropriately of laws, decrees, edicts, decisions of courts, or other established rules, permanent usages, and the like, which are made void by component authority.
Example Sentences:
(1) The unique structure we describe is a cytoplasmic organelle which, like annulate lamellae, is closely associated with the endoplasmic reticulum and is presumed to be related to the genesis of rough-surfaced endoplasmic reticulum in tumor cells.
(2) The description of the structure of epithelial cells includes: 1) the endoplasmic reticulum and ribosomes, 2) mitochondria, 3) the nucleus, 4) the golgi complex and secretory bodies, 5) lysosomes, 6) annulate lamellae, 7) luminal surface, 8) basal surface, 9) lateral surface, and 10) the nucleolar channel system.
(3) The following consequences can be drawn for the taxonomy and biochemistry of the tested organisms: e) The species status of M. gastri should be annuled.
(4) Both tumor cells frequently contained well-developed RER, zymogen-like granules, and annulate lamellae.
(5) A close association was observed annulate lamellae and granular endoplasmic reticulum.
(6) "It may be thought strange that I could abstain from a woman who to most people was so attractive," he told his lawyer during the annulment proceedings.
(7) The more the president rules by decree – and one faction in the Brotherhood argues that he should issue a constitutional decree of his own, annulling the content of the decree Scaf issued within hours of the closing of the presidential polls – the more he risks alienating his future political partners in the broad-tent political coalition he intends to set up both under him as president, and under the prime minister he intends to nominate.
(8) The sarcocysts of both species are trabeculated and their cyst walls have cytophaneres containing annulated fibrils and coarse, electron dense granules.
(9) Still, Rafsanjani – often accused of sitting on the fence – did not call outright for an annulment.
(10) Replacement of the common fresh weight or dry weight specific oxygen consumption by a more synthetic value calculated from ash-free dry weight specific oxygen consumption measurements, to annulate the body-size effect, is proposed for interspecific comparison over a wide range of body size, taking into account parameters such as temperature.
(11) The most unique ultrastructure feature was the presence of annulate lamellae in four of the six cases.
(12) If you are made bankrupt it is possible to get the bankruptcy order annulled if you can get your creditors to agree to what is called a fast track IVA.
(13) Among a "toolbox" of actions under consideration are: • full or partial annulment of the Oslo Accords, under which the Palestinian Authority (PA) was established • withholding tax revenues Israel collects on behalf of the PA • cancellation of permits for thousands of Palestinian labourers to work in Israel • withdrawal of travel privileges for senior PA officials • acceleration of building programmes in West Bank settlements • unilateral annexation of the main Jewish settlement blocks.
(14) This may suggest that annulate lamellae participate in protein synthesis.
(15) A specific organelle, the annulate lamellae or lamellar body, was seen in tight correlation with other structures near the nucleus.
(16) The methionine synergism for P. malhamensis growth is also negated when B12 activity is annulled by alkali treatment; MTA is not inactivated by such treatment.
(17) The similarities in structure to the nuclear envelope and the relation between annulate lamellae and other cellular organelles (especially endoplasmic reticulum and ribosomes) suggest that lamellae may be involved in the release, assembly or activation of stored development information.
(18) The annulated derivative N6-(1-naphthylmethyl)adenosine resulted in a very potent A2 agonist (A1 Ki = 24 nM, A2 Ki = 9.1 nM), whereas N6-(9-anthracenylmethyl)adenosine was virtually inactive (A1 Ki = 9,000 nM, A2 Ki = 29,000 nM).
(19) The omission of sodium or dextrose in the perfusion fluid annulled this effect.
(20) In March this year, an Indonesian court annulled a 17-year-old private contract with the water corporations Suez and Aetra on the basis of human rights violations resulting from a fourfold rise in tariffs since the utility was privatised, lower service coverage than promised, and water leakage levels of up to 44%.