(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.
Jellyfish
Definition:
(n.) Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa.
Example Sentences:
(1) When Matt Slater went swimming with his dog Mango in a Cornish estuary this month, he bumped into a barrel jellyfish.
(2) In-hospital resuscitation from unresponsive circulatory arrest should now involve intravenously-administered verapamil (or its equivalent) and additional box-jellyfish antivenom, while the patient is being monitored.
(3) The ultrastructure and major soluble proteins of the transparent eye lens of two cubomedusan jellyfish, Tripedalia cystophora and Carybdea marsupialis, have been examined.
(4) I was sitting in the room, reading all the negativity and death threats, and by now the helium balloons were half-full, hovering like jellyfish.
(5) I know a little about the jellyfishes of Australia because when I worked there for the Guardian, poisonous species such as the box jellyfish would occasionally kill a luckless swimmer off the tropical north coast.
(6) The survey for the UK, which asks people to report jellyfish they see in the sea or on beaches, comes after a mass invasion of thousands of miles of the Mediterranean coastline by millions of jellyfish in June, affecting tourists who head there in the summer.
(7) Both women reported having been stung by jellyfish a month earlier.
(8) These cases corroborate the vascular and neurogenic injury, which previously have been reported in experimental animals and in human patients, that may result from jellyfish venoms.
(9) Contact with the tentacles of the jellyfish had produced characteristic whiplash-like weals on the skin.
(10) Among the newly created MCZs are Mounts Bay, covering St Michael’s Mount and the Marazion where seagrass, stalked jellyfish and crayfish live, and Greater Haig Fras, the only substantial area of rocky reef in the Celtic Sea.
(11) The few skin reactions obtained confirm the low dermototoxicity of the jellyfish studied.
(12) Jellyfish stings should be recognised as an unusual variant of the numerous causes which have been described for Mondor's disease.
(13) From intrepid turtles to pioneering jellyfish, a host of animals have made their mark as the unsung heroes of space exploration.
(14) Mechanisms that cause reentry were defined in rings of tissue cut from jellyfish as early as 1906 by Mayer.
(15) Also featured are the puffer fish, dung beetle, veiled chameleon and moon jellyfish.
(16) It's hard not to describe this creature without resorting to multiple similes – it's like a mushroom, an umbrella, a beating heart, an alien lifeform – all of which diminish its glory, as indeed does the word "jellyfish".
(17) This isn’t just about the effect on other species,” said Stefano Piraino, a jellyfish expert at the University of Salento, and one of the 18 signatories.
(18) Jellyfish appear to be on the increase globally, which may be part of a natural cycle or linked to factors caused by humans such as pollution, over-fishing or even climate change, experts said.
(19) Aequorin, a Ca(II)-sensitive bioluminescent protein from jellyfish, emits light at 469 nm from an excited state of a substituted pyrazine (oxyluciferin) which results from the oxidation of a chromophore molecule that is noncovalently bound to the protein.
(20) A new cytolysin has been isolated from the nematocysts of the jellyfish, Rhizostoma pulmo, and named rhizolysin.