(n.) Any one of several aquatic, wed-footed, northern birds of the genus Urinator (formerly Colymbus), noted for their expertness in diving and swimming under water. The common loon, or great northern diver (Urinator imber, or Colymbus torquatus), and the red-throated loon or diver (U. septentrionalis), are the best known species. See Diver.
Example Sentences:
(1) That's slightly different from what Feldman said earlier this year after the Times and the Telegraph reported that a senior figure had said that Conservative associations "are all mad, swivel-eyed loons."
(2) This presequence transports attached subunit IV of cytochrome c oxidase into the intermembrane space (van Loon et al.
(3) Historically, our masters have always imagined we lowly peasants will digest information more easily if it is written, for example, in a speech bubble coming out of the mouth of an imaginary squirrel pedestrian in yellow loon pants.
(4) In addition, isolates of S. Saint paul from loons were found resistant to tetracycline and streptomycin, while 2 of 7 isolates of S. infantis were resistant to tetracycline only.
(5) It is the raging rows over Ukip, gay marriage, Europe and swivel-eyed loons that have given these people a political presence.
(6) It comes as a shock then to discover that in one crucial and fundamental area of social care the SNP resembles the "swivel-eyed loons" of the Tory shires.
(7) Mike Cassidy, head of the project dubbed Project Loon , said in a blogpost : "We believe that it might actually be possible to build a ring of balloons, flying around the globe on the stratospheric winds, that provides internet access to the earth below.
(8) Entamoeba histolytica cysts were recovered from dog faeces at Loon Lake, Saskatchewan.
(9) An epizootic of type E botulism (Clostridium botulinum) occurred among common loons (Gavia immer) along the Lake Michigan shore of Michigan's Upper Peninsula (USA) during October and November 1983.
(10) Salmonella spp (representing 8 serotypes) were isolated from 27 (14%) of the loons, and lesions typical of those produced by Aspergillus fumigatus were found in 34 (18%) of the loons.
(11) The fact is, no one becomes this successful, this far-reachingly influential, by behaving like a loon.
(12) Renal coccidiosis was diagnosed in a common loon (Gavia immer).
(13) were found in double-crested cormorants and common loons in Florida.
(14) Facebook Twitter Pinterest Common loon ( Gavia immer ) with downy young riding on back, in a Matanuska Valley lake, Alaska.
(15) Amino acid analyses of the two proteins are also in reasonable agreement when based on the exact monomer molecular weight of beef eye lens protein obtained by the van Loon group ((1982) J. Biol.
(16) The latest "moonshot" innovation from Google X follows hot on the heels of Google's Project Loon, its experimentation with solar-panelled balloons to bring Wi-Fi to remote regions of Africa and the Asia Pacific.
(17) Which spurs them on to demand expensive tests, investigations, and treatments and (egged on by ranting loons on forums) refuse to be "fobbed off".
(18) Type E botulinal toxin was demonstrated in blood samples and stomach contents of dead loons, and in samples of three species of dead fish found on the Lake Michigan shore.
(19) Other studies have demonstrated that cAMP enhanced junctional conductance in intact heart and isolated heart cells (De Mello, 1986; De Mello and van Loon, 1987; Burt and Spray, 1988).
(20) Google is also exploring the idea of using a network of high-tech balloons – Project Loon – to provide internet access to "rural, remote and underserved areas", although the scheme recently drew criticism from former Microsoft chief Bill Gates .
Scorpion
Definition:
(n.) Any one of numerous species of pulmonate arachnids of the order Scorpiones, having a suctorial mouth, large claw-bearing palpi, and a caudal sting.
(n.) The pine or gray lizard (Sceloporus undulatus).
(n.) The scorpene.
(n.) A painful scourge.
(n.) A sign and constellation. See Scorpio.
(n.) An ancient military engine for hurling stones and other missiles.
Example Sentences:
(1) Veratridine and the sea anemone toxin on one hand as well as veratridine and the scorpion toxin on the other hand are synergistic in their action to stabilize an open and highly permeable form of the sodium channel.
(2) We have previously shown that the [3H]saxitoxin binding site of the sodium channel is expressed independently of the [125I]scorpion toxin binding site in chick muscle cultures and in rat brain.
(3) The labelled peptide is bound to mouse diaphragm from where it can be displaced by ATX II and, even better, by scorpion neurotoxin but not by other basic peptides, e.g., histone or aprotinin.
(4) A graded depolarization accompanied by nerve impulses can be recorded from the scorpion lateral and median eyes in response to light.
(5) We found that HIV Nef shares sequence and structural features with scorpion peptides known to interact with K+ channels.
(6) Although the insect-directed toxin has one atypical disulfide bridge, the general structural features of the scorpion toxin family, including the presence of a "conserved-hydrophobic" surface, seem to be well-conserved.
(7) To study the site of interaction, the effects of lidocaine, carbamazepine and another anticonvulsant drug, phenytoin on scorpion venom-enhanced specific binding of [3H]batrachotoxinin A 20-alpha-benzoate to the sodium channel gating complex were examined in vitro in a rat brain hippocampus preparation.
(8) The complete amino acid sequence (64 residues) of the AaH IV toxin from the scorpion Androctonus australis Hector was determined by automated Edman degradation and was compared with the sequences of other Androctonus toxins.
(9) 62 patients who had been stung by a red scorpion were admitted from January to December 1990: 18 with hypertension, 15 with supraventricular tachycardia, 11 with pulmonary oedema, and 18 with local pain at the site of sting but no systemic involvement.
(10) We claim that periodic waves mark the activity of a suboesophageal pace-maker and we propose a system of two pace-makers to explain the visual and locomotor circadian rhythms of scorpions.
(11) Three epitopes have been localized by immunoelectron microscopy on subunit Aa6 of the 4 x 6-meric hemocyanin of the scorpion Androctonus australis.
(12) Charybdotoxin isolated from the Israeli scorpion venom (Leiurus quinquestriatus hebraeus), also displaced [125I]-DpI binding, with a Ki of approximately 3 x 10(-9) M, although the displacement curve was shallower than with native DpI.
(13) We conclude that myocardial toxicity is a common and serious complication of scorpion stings in children.
(14) The claim made by astrologers that people can be characterized according to their sign of the zodiac (sagitarius, taurus, cancer, scorpion) must be refuted.
(15) We note the absence both of microtubules in the sperm of Centruroides and also of the centriole adjunct, which is present in other scorpion spermatids.
(16) The complete amino acid sequence of toxin XI of the North African scorpion Buthus occitanus tunetanus has been elucidated by automatic sequencing of the reduced and alkylated toxin and of the peptides obtained after tryptic cleavage restricted to arginyl bonds.
(17) 22Na+ uptake through voltage-dependent Na+ channels is induced by veratridine and scorpion venom, and is inhibited 50% by 5 X 10(-7) M-tetrodotoxin and greater than 98% by 5 X 10(-6) M-tetrodotoxin.
(18) A seven-year-old girl, stung by a scorpion, was hospitalized in a confused state with signs of myocarditis and pulmonary edema.
(19) The observation that two classes of neuronal depolarizing agents (veratrine and scorpion venom) cause TTX-sensitive inhibition of basal ion transport establishes that NaCl absorption in flounder intestine is subject to regulation by enteric nerves located in the submucosa.
(20) The effects of the major neurotoxic fraction isolated from scorpion venom of Tityus serrulatus, TiTx gamma, on peripheral nerve membrane of Xenopus laevis were studied under current- and voltage-clamp conditions.