(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.
Conduit
Definition:
(n.) A pipe, canal, channel, or passage for conveying water or fluid.
(n.) A structure forming a reservoir for water.
(n.) A narrow passage for private communication.
Example Sentences:
(1) A conduit of a diameter of 23 mm was made by hand with a glutaraldehyde preserved xenopericardial graft.
(2) A reduction of salmonellae during the passage of the pump and pressure conduit-pipe, combining east- and west-side of Kiel fjord, could be seen.
(3) In controls the conduit emptied mainly by means of low pressure, to-and-fro activity.
(4) All but 1 of 12 patients who underwent total cystectomy with ileal conduit diversion also underwent various transurethral procedures for treatment of the primary bladder lesions.
(5) LAD to LCCA collaterals serve as functionally significant bidirectional perfusion conduits, and monitoring of collateral perfusion development is practical by measuring the step reduction in LCCA flow upon abrupt release of an LAD occlusion.
(6) Their chief conduits in Damascus have been leading members of the Assad clan, but not necessarily Bashar al-Assad himself.
(7) "There is understandable scrutiny on how we are doing things and that should act as a conduit to look at labor issues across the region.
(8) New structures reported are mesoboscis retractor muscles, the formation of 3 ligament strands from the proboscis retractor muscles, a teloboscis inflator muscle, and conduit through the protrusor muscle sheath.
(9) Following reported successes with chemically fixed human umbilical veins (HUV), we have attempted to develop smaller diameter blood conduits and have improved the currently prevalent techniques of fixation, preparation and storage to generate more convenient surgical products.
(10) This patient underwent total cystectomy with ileal conduit and histopathological staging was pT3bNOMO.
(11) Heterograft conduits so far have been unsuccessful in the aortocoronary position in humans.
(12) No correlation between the conduit pressure and the occurrence of ureteral reflux was found.
(13) Fontan's operation in Doty's modification was performed which involves the establishment of a wide direct connection between the right atrium and the pulmonary artery without the use of valves or a conduit.
(14) The 66 patients were subdivided into four groups according to the type of conduit harvested (single left internal thoracic artery or saphenous vein) and the type of material used for the sternal closure (steel wires or nylon yarns).
(15) In patients with nearly total loss of ureters the pyelotransverse conduit is an effective surgical solution and may prove more comfortable to the patient than bilateral percutaneous nephrostomies.
(16) In imaging porcine whole blood under steady laminar flow, under certain conditions a hypoechoic region was observed to appear near the center of the flow conduit.
(17) BD technique was tested in vitro with the use of nonstenotic valves in fresh conduits.
(18) We report a case in which papillary lesions developed in an ileal conduit that had been constructed for management of nonmalignant disease.
(19) In the present study, the physiological characteristics of the ITA graft were demonstrated as a viable conduit with flow adaptability and growth potential.
(20) Right ventriculography showed no contraction of the right ventricular free wall at the anastomosis to the conduit and poor contraction around the anastomosis in G-1.