(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.
Stone
Definition:
(n.) Concreted earthy or mineral matter; also, any particular mass of such matter; as, a house built of stone; the boy threw a stone; pebbles are rounded stones.
(n.) A precious stone; a gem.
(n.) Something made of stone. Specifically: -
(n.) The glass of a mirror; a mirror.
(n.) A monument to the dead; a gravestone.
(n.) A calculous concretion, especially one in the kidneys or bladder; the disease arising from a calculus.
(n.) One of the testes; a testicle.
(n.) The hard endocarp of drupes; as, the stone of a cherry or peach. See Illust. of Endocarp.
(n.) A weight which legally is fourteen pounds, but in practice varies with the article weighed.
(n.) Fig.: Symbol of hardness and insensibility; torpidness; insensibility; as, a heart of stone.
(n.) A stand or table with a smooth, flat top of stone, commonly marble, on which to arrange the pages of a book, newspaper, etc., before printing; -- called also imposing stone.
(n.) To pelt, beat, or kill with stones.
(n.) To make like stone; to harden.
(n.) To free from stones; also, to remove the seeds of; as, to stone a field; to stone cherries; to stone raisins.
(n.) To wall or face with stones; to line or fortify with stones; as, to stone a well; to stone a cellar.
(n.) To rub, scour, or sharpen with a stone.
Example Sentences:
(1) Among its signatories were Michael Moore, Oliver Stone, Noam Chomsky and Danny Glover.
(2) Follow-up studies using radiological methods show worse results (recurrent stones in II: 21.2%, in I: 5.8%, stenosis of EST in II: 6.1%, in I: 3.1%): Late results of EST because of papillary stenosis are still worse compared to those of choledocholithiasis.
(3) Other serious complications were reservoir perforation during catheterisation in 3 and development of stones in the reservoir in 2 patients.
(4) In conclusion, 1) etiology of urinary tract stone in all recurrent stone formers and in all patients with multiple stones must be pursued, and 2) all stones either removed or passed must be subjected to infrared spectrometry.
(5) Predisposition to pancreatitis relates to duct size rather than stone size per se.
(6) Three of these patients, who had a solitary stone could successfully be treated by ESWL as monotherapy.
(7) In cholesterol stones and cholesterolosis specimens, relatively strong muscle strips had similar responses to 10(-6) M cholecystokinin-8 in normal calcium (2.5 mM) and in the absence of extracellular calcium.
(8) No significant complications were related to ESWL and 90% of those followed up after successful ESWL proved stone-free at 6 weeks.
(9) The addition of alcohol to the drinking-water resulted in the formation of stones rich in pigment.
(10) One biliary stone showed cholesterol with spherical bodies of calcium carbonate and pigment.
(11) Israel has complained in recent weeks of an increase in stone throwing and molotov cocktail attacks on West Bank roads and in areas adjoining mainly Palestinian areas of Jerusalem, where an elderly motorist died after crashing his car during an alleged stoning attack.
(12) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
(13) The minimal advantage in rapidity of stone dissolution offered by tham E over tham is more than offset by the considerably increased potential for toxic side effects.
(14) The Broken King by Philip Womack Photograph: Troika Books The Sword in the Stone begins with Wart on a "quest" to find a tutor.
(15) It is no longer necessary for the kidney to be free of stones at the end of the operation.
(16) So let's be clear: children taking this drug, which is administered orally, do not get stoned.
(17) Patients with unilateral renal stone(s) with at least 1 diameter between 7 and 25 mm.
(18) Whether they affect ureteral motility in vivo or whether they can counteract ureteral spasm associated with ureteral stones have not been established.
(19) Recurrent stones are usually "silent," and we do not usually treat asymptomatic stones.
(20) Forty impressions were poured with the disinfectant dental stone and a similar number were poured with a comparable, nondisinfectant stone.