(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.
Emissary
Definition:
(n.) An agent employed to advance, in a covert manner, the interests of his employers; one sent out by any power that is at war with another, to create dissatisfaction among the people of the latter.
(a.) Exploring; spying.
(a.) Applied to the veins which pass out of the cranium through apertures in its walls.
Example Sentences:
(1) The drainage blockade is active and located just inside the tunica albuginea at the origin of the emissary veins.
(2) There has been no dialogue between the Chinese government and emissaries of the Dalai Lama since 2010.
(3) Key figures are Frank Lowenstein, Kerry’s special emissary for Middle East peace, and David Makovsky, an expert from the Washington Institute thinktank who specialises in the highly-complex mapping work that will be crucial to any land swaps.
(4) The anatomic connections of the head with the mediastinum through extensions of the deep cervical fascia, and the intracranial venous sinuses connected through emissary veins to the facial veins, make infections of this region the most dreaded.
(5) Brown, meanwhile, was exploring the possibility of sending Brazil's Lula as an emissary to broker an agreement between industrialised economies and the developing world.
(6) On Sunday, after the ninth US circuit court of appeals in San Francisco rejected the government’s application for an emergency stay, Pence was sent as an emissary from the White House to several talkshows.
(7) A small foramen in the squamous part of the occipital bone just behind foramen magnum was noticed for the passage of emissary vein in one skull only, probably connecting occipital sinus with suboccipital venous plexus.
(8) The anatomy of the posterior condylar emissary vein is discussed, and the general evaluation of a patient with objective, pulsatile tinnitus is reviewed.
(9) The "emissary" is situated either along the right or left contour of the base of the common ventricle, its dimensions are variable.
(10) The emissary veins of the islet seem to serve for the quick conveyance of insular secretions into general circulation.
(11) And I thought, that's a good advertisement for death, for the emissary of death.
(12) Even as president Cristina Fernández de Kirchner announced on TV her plan to nationalise Spanish-owned YPF, her emissaries were at the oil company's 35-storey Buenos Aires headquarters giving its Spanish directors 15 minutes to leave the building.
(13) Photograph: EPA Rael – once known as Claude Vorilhon, a French-born amateur sports racer and journalist – changed his name in 1973 after what he says was an encounter with extraterrestrials who declared that he had been chosen as their emissary to deliver a message of joy to humankind.
(14) "The vast lazy planes that floated overhead were emissaries from another world."
(15) Anderson has gone so far as to screen the movie for Tom Cruise, Scientology's chief emissary to the normals.
(16) Sir Denis Wright, an earlier UK ambassador to Iran, was chosen as emissary.
(17) Plain radiographs immediately after perfusion revealed prompt escape of dye into the systemic veins via a number of large transcortical emissary veins.
(18) Athens has set up a crisis management team, sent an emissary to the Middle East, contacted governments across the region and used its considerable contacts with the Syrian opposition in a bid to shed light on the clerics' whereabouts.
(19) Cerebral angiograms showed (1) the occluded confluence sinuum and compensatory venous collaterals, (2) venous drainage through the persistent falcial sinus, which was rare in an adult, from the straight sinus into the superior sagittal sinus (SSS), (3) venous drainage through diploic veins and emissary veins into scalp veins.
(20) In three patients, no blood flow could be detected in the ophthalmic emissary veins whereas in the fourth patient as well as in both control subjects, blood flowed from the intracranium to the face.