(n.) The hollow bed where a stream of water runs or may run.
(n.) The deeper part of a river, harbor, strait, etc., where the main current flows, or which affords the best and safest passage for vessels.
(n.) A strait, or narrow sea, between two portions of lands; as, the British Channel.
(n.) That through which anything passes; means of passing, conveying, or transmitting; as, the news was conveyed to us by different channels.
(n.) A gutter; a groove, as in a fluted column.
(n.) Flat ledges of heavy plank bolted edgewise to the outside of a vessel, to increase the spread of the shrouds and carry them clear of the bulwarks.
(v. t.) To form a channel in; to cut or wear a channel or channels in; to groove.
(v. t.) To course through or over, as in a channel.
Example Sentences:
(1) These channels may, at least in some cases, be responsible for the generation of pacemaker depolarizations, thereby regulating firing behaviour.
(2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
(3) RNAs encoding a wild-type (RBK1) and a mutant (RBK1(Y379V,V381T); RBK1*) subunit of voltage-dependent potassium channels were injected into Xenopus oocytes.
(4) The dramas are part of the BBC2 controller Janice Hadlow's plans for her "unashamedly intelligent" channel over the coming months.
(5) This was unlike the action of the calcium channel blocker, cadmium, which reduced the calcium action potential and the a.h.p.
(6) Circuitry has been developed to feed the output of an ear densitogram pickup into one channel of a two-channel Holter monitor.
(7) It is concluded the decrease in cellular volume associated with substitution of serosal gluconate for Cl results in a loss of highly specific Ba2+-sensitive K+ conductance channels from the basolateral plasma membrane.
(8) Stimulation of atrial H1-receptors is suggested to directly cause an increase in Ca-channel conductance independent of intracellular cAMP content.
(9) Similarly, 50 microM D-600, a Ca+2 channel antagonist, significantly (P less than 0.01) reduced basal and 5-HETE-induced PRL release.
(10) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
(11) This promotion of repetitive activity by the introduction of additional potassium channels occurred up to an "optimal" value beyond which a further increase in paranodal potassium permeability narrowed the range of currents with a repetitive response.
(12) Channel activation persists through the process of platelet isolation and washing and is manifested in higher measured values of [Ca2+]cyt and [Ca2+]dt in the "resting state."
(13) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
(14) The effects of low doses of dihydropyridine (DHP) calcium channel antagonists nimodipine, nifedipine, (-)-R-202-791, and amlodipine, the DHP calcium channel agonist BAY K 8644 were investigated on clonic convulsions to pentylenetetrazole (PTZ) in mice.
(15) The following model is suggested: exogenous ATP interacts with a membrane receptor in the presence of Ca2+, a cascade of events occurs which mobilizes intracellular calcium, thereby increasing the cytosolic free Ca2+ concentration which consequently opens the calcium-activated K+ channels, which then leads to a change in membrane potential.
(16) SDS-PAGE analysis of the immunoprecipitates under reducing conditions revealed that the cardiac channel is mainly composed of two large polypeptides of 190 and 150 kDa, and five smaller polypeptides of 60, 55, 35, 30, and 25 kDa.
(17) In the presence of high external Cl, a component of outward current that was inhibited by the anion channel blocker diphenylamine-2-carboxylate (DPC) appeared in 70% of the cells.
(18) In vitro studies in cardiac Purkinje fibers suggested that reversal of amitriptyline-induced cardiac membrane effects by sodium bicarbonate may be attributed not only to alkalinization but also to increased in extracellular sodium concentration, diminishing the local anesthetic action of amitriptyline and resulting in less sodium channel block.
(19) The Ca2+ channel current recorded under identical conditions in rat dorsal root ganglion neurones was less sensitive to blockade by PCP (IC50, 90 microM).
(20) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
Sleeve
Definition:
(n.) See Sleave, untwisted thread.
(n.) The part of a garment which covers the arm; as, the sleeve of a coat or a gown.
(n.) A narrow channel of water.
(n.) A tubular part made to cover, sustain, or steady another part, or to form a connection between two parts.
(n.) A long bushing or thimble, as in the nave of a wheel.
(n.) A short piece of pipe used for covering a joint, or forming a joint between the ends of two other pipes.
(v. t.) To furnish with sleeves; to put sleeves into; as, to sleeve a coat.
Example Sentences:
(1) We performed carinal reconstruction in eight patients, sleeve pneumonectomy in eight patients and wedge pneumonectomy in one.
(2) The parameters of LES relaxation for both wet and dry swallows were similar using either a carefully placed single recording orifice or a Dent sleeve.
(3) Lobectomy with sleeve excision of the bronchus and the pulmonary artery was done in 3 patients, of which one had bilobectomy plus one segmentectomy with segmental bronchoplasty, lobectomy with wedge excision of the bronchus and the pulmonary artery in 2, lobectomy with wedge excision of the bronchus and sleeve excision of the pulmonary artery in 2, lobectomy with sleeve excision of the bronchus and wedge excision of the pulmonary artery in 1, and regular lobectomy with sleeve excision of the pulmonary artery in 1.
(4) This is best accomplished with a continuous stream of normal saline from a 1-I bag which is attached to an intravenous line with a 16-gauge Teflon catheter placement sleeve affixed to the distal end of the line.
(5) Distention of the antral sleeve by hydrostatic pressure (3-25cm H2O) caused stepwise and significant increase in gastrin release that was reversible.
(6) Girls loved him, his flouncy lace sleeves, tight trousers, big hats, curly hair.
(7) Transperineurial arterioles are defined as any arteriole that is confined to a perineurial cell compartment, which would include all arterioles within the perineurium proper or within perineurial sleeves in the epi- or endoneurium.
(8) When right upper sleeve lobectomy was performed, only limited peribronchial inflammation related to PDT procedure was detected indicating only slight extrabronchial influence of PDT.
(9) They believed the film strips strapped around his forearm, which they called a sleeve, would stimulate his muscles to make those movements a physical reality.
(10) A molded rubber sleeve connecting the prosthesis and the thigh was found to enhance this effect so that suction suspension occurred during the entire swing phase.
(11) A sleeve resection of the involved trachea with reanastomosis was successful, and the patient is alive and well with no evidence of tumor four years later.
(12) Sleeve resection is the ideal form of excisional therapy for benign endobronchial tumors, bronchostenosis, tumors of low-grade malignant potential, and for selected cases of carcinoma.
(13) Between the submitochondrial sleeve and the axoneme is a space, the cytoplasmic canal, that is open to the exterior posteriorly.
(14) Since 1975 200 tracheal sleeve resections for iatrogenic tracheal and subglottic laryngeal stenoses have been performed in our institution.
(15) Conservative surgery by sleeve resection without pulmonary resection was performed.
(16) In 1976 Dent (Gastroenterology 71: 263-267) introduced a sleeve-catheter device for obtaining continuous recording of lower esophageal sphincter pressure.
(17) As a rule, conventional myelography showed only minor root-sleeve deformity.
(18) Entomophthoromycosis was diagnosed by finding wide eosinophilic sleeves intimately surrounding thin-walled hyphae.
(19) Bonus points, of course, for anyone wearing gloves and short-sleeved shirt.
(20) All this reached its apogee in 1987, with the sleeve art for Pink Floyd's A Momentary Lapse of Reason .