(n.) An elongated fish of many genera and species. The common eels of Europe and America belong to the genus Anguilla. The electrical eel is a species of Gymnotus. The so called vinegar eel is a minute nematode worm. See Conger eel, Electric eel, and Gymnotus.
Example Sentences:
(1) When incubated in FW, water entry was greater in SW-adapted eels than in FW-adapted eels.
(2) Interpretation of the results shows that the ovary of the European eel contains the following enzymes: a 3 beta-hydroxysteroid dehydrogenase, 5----4-ene-isomerase complex, a 17 alpha-hydroxylase, a C21-C19 desmolase, a 17 beta-hydroxysteroid oxidoreductase, a 5 alpha-reductase, a 3 beta-hydroxysteroid oxidoreductase and an aromatase complex.
(3) Digests of neuropeptides using purified eel AChE or bovine pancreatic trypsin gave identical peptide maps.
(4) As a first step in studying the molecular mechanisms involved in this stimulation, we cloned and characterized the cDNA encoding the beta subunit of eel GTH-II.
(5) This includes the analysis of the transfer characteristics of the image detection system, the use of laser-induced fiducials for deformation correction and alignment, the control of section thickness by EELS and the use of ESI to image thick sections.
(6) Cutaneous oxygen consumption and oxygen uptake from the external medium were investigated in three species of freshwater teleosts:eel(Anguilla anguilla L.)(silvered stage), trout (Salmo gairdnerii R.) and tench (Tinca tinca L.).
(7) "Our study shows the potential benefit of putting prostate cancer on a par with cancers such as breast cancer when it comes to genetic testing," said study co-leader Ros Eeles, professor of oncogenics at the Institute of Cancer Research and honorary consultant at the Royal Marsden NHS Foundation Trust.
(8) Ester hydrolysis by acetylcholinesterase (from electric eel, Electrophorus electricus) increased in the presence of low concentrations (ca 10(-7) M) of edrophonium, propidium, d-tubocurarine, gallamine, decamethonium or bis-N-methylacridinium, and decreased at higher concentrations.
(9) Kallidin but not BK and des-Arg9-BK contracted eel intestine.
(10) Sequence identities of sea turtle GH to other species of GH are 89% with chicken GH, 79% with rat GH, 68% with blue shark GH, 58% with eel GH, 59% with human GH, and 40% with a teleostean GH such as chum salmon.
(11) Gonadotrophs (GTH cells), small and scarcely visible in the pituitary of control eels, are hypertrophied and contain numerous glycoprotein granules after E2-administration.
(12) This peptide, termed eel atrial natriuretic peptide (ANP), has sequence homology of 59% to mammalian (human or rat) ANP, 52% to fowl ANP, and 46% to frog ANP.
(13) Six N-alkyl and N-aryl 5-(1,3,3-trimethylindolinyl) carbamates were synthesized and studied for their structure-activity relationships in inhibiting eel acetylcholinesterase (AChE).
(14) In order to verify this hypothesis, electron energy-loss spectroscopy (EELS) has been used to compare the P content in control and ADR-treated erythrocyte ghosts.
(15) A radioimmunoassay for chicken calcitonin in chicken ultimobranchial glands was established utilizing a rabbit antiserum against eel calcitonin.
(16) Viscera (48.3 kg) from moray eels (Lycodontis javanicus) collected in a ciguatera endemic area were extracted and the ciguatoxins characterized.
(17) Nine selected EELs were classified in three clusters of increasing degrees of seriousness of health effects.
(18) Examples include monitorings of the rate of hydrolysis of acetylthiocholine iodide by eel acetylcholinesterase and the rate of hydrolysis of malathion and nonconventional esters such as O-methyl, O-ethyl, and O-isobutyl carbonates of p-nitrophenol by commercial porcine liver carboxylesterase.
(19) The geographic distribution pattern points to the existence of areas around the globe in which flatfish or eels are able to develop skin papillomas.
(20) Incidence of lethal bends and intravascular bubbles has been studied in the eel (Anguilla anguila L.) submitted to hyperbaric air decompressions at temperatures of 17 and 27 degrees C. The fish was an accurate model to seek the nature of the inert gas transport limiting process (diffusion or perfusion) because an increase in temperature considerably influences the rate of perfusion whereas the properties of gases vary in relatively lower proportions.
Elver
Definition:
(n.) A young eel; a young conger or sea eel; -- called also elvene.
Example Sentences:
(1) The sample examined consisted of 417 specimens that were classified by stage (elver, young yellow eel, yellow eel and silver eel) and season of sampling.
(2) The structure of european eels' elvers population, drawn in its natural environment, shows a polymodal frequency distribution of individual weights.
(3) The ability of eels (Anguilla anguilla) to further desaturate and chain elongate linoleic acid, 18:2n-6, was studied by feeding diets containing either corn oil or a fish oil to groups of elvers for 12 wk and analyzing proportions of fatty acids in tissue lipids.
(4) At elver stage VI A1 the myosin isoforms pattern was characterized by at least two isoforms, FM3 and FM2.
(5) The morphology and ultrastructure of the lateral body integument of the leptocephalus, glass eel, pigmented elver, and adult stages of the American eel, Anguilla rostrata, were examined with light and electron microscopy.
(6) Proud to be a "provincial" writer, in his novel Kept (2006) Taylor begins with a bravura passage describing his home county: "A land of winding backroads and creaking carts and windmills, a land of flood, and eels and elvers and all that comes from water, a land of silence and subterfuge, of things not said but only whispered, where much is kept secret which would be better laid open to scrutiny."
(7) It is a myth,” said Hilal Elver, the UN’s special rapporteur on the right to food.
(8) A significant increase was also found in the weight of slow-growing elvers receiving diets containing 40 or 60 ppm T3 and held in the high water turnover system.
(9) Club cells, whose function is unknown, are most numerous in the glass eel and pigmented elver.
(10) Effect of 3,3',5-triiodo-L-thyronine (T3) on survival, growth and body composition (protein, fat and ash) of slow-growing (Anguilla rostrata L.) elvers was investigated.
(11) The proportion of arachidonic acid, 20:4n-6, present in polar lipids of elvers fed the diet containing corn oil increased from an initial value of 5% by weight to 12% by weight; the corresponding value for elvers given a diet containing fish oil, with little linoleic acid in it, was less than 4% by weight.
(12) Over the 12-wk period elvers given both dietary treatments increased in weight by fourfold.
(13) The coelom of elvers (Anguilla anguilla L.), eel0, is contenting glycoproteids, but these are not improvable in following stages of development.
(14) Eels swim back down these rivers to reach spawning grounds at sea and millions of elvers return in the spring.
(15) At least, rearing of the european eels' elvers is possible with a salt water (salinity : 32 p. 1000); this system permits suppress in totality fungi desease (saprolegnia).
(16) A virus belonging to Rhabdovirus anguilla was isolated from elvers imported from the FRG.
(17) This challenge has been exacerbated by a systematic denial, fuelled by the pesticide and agro-industry, of the magnitude of the damage inflicted by these chemicals, and aggressive, unethical marketing tactics.” Elver, who visited the Philippines, Paraguay, Morocco and Poland as part of producing the report, said: “The power of the corporations over governments and over the scientific community is extremely important.
(18) There were no significant differences between the total fat content of slow-growing elvers when compared to the total body fat of control elvers.
(19) They are not present in the pigmented elver and adult which inhabit estuaries and freshwater.
(20) In France, there are few researches carried out on the eel's elvers rearing.