What's the difference between channel and course?

Channel


Definition:

  • (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.

Course


Definition:

  • (n.) The act of moving from one point to another; progress; passage.
  • (n.) The ground or path traversed; track; way.
  • (n.) Motion, considered as to its general or resultant direction or to its goal; line progress or advance.
  • (n.) Progress from point to point without change of direction; any part of a progress from one place to another, which is in a straight line, or on one direction; as, a ship in a long voyage makes many courses; a course measured by a surveyor between two stations; also, a progress without interruption or rest; a heat; as, one course of a race.
  • (n.) Motion considered with reference to manner; or derly progress; procedure in a certain line of thought or action; as, the course of an argument.
  • (n.) Customary or established sequence of events; recurrence of events according to natural laws.
  • (n.) Method of procedure; manner or way of conducting; conduct; behavior.
  • (n.) A series of motions or acts arranged in order; a succession of acts or practices connectedly followed; as, a course of medicine; a course of lectures on chemistry.
  • (n.) The succession of one to another in office or duty; order; turn.
  • (n.) That part of a meal served at one time, with its accompaniments.
  • (n.) A continuous level range of brick or stones of the same height throughout the face or faces of a building.
  • (n.) The lowest sail on any mast of a square-rigged vessel; as, the fore course, main course, etc.
  • (n.) The menses.
  • (v. t.) To run, hunt, or chase after; to follow hard upon; to pursue.
  • (v. t.) To cause to chase after or pursue game; as, to course greyhounds after deer.
  • (v. t.) To run through or over.
  • (v. i.) To run as in a race, or in hunting; to pursue the sport of coursing; as, the sportsmen coursed over the flats of Lancashire.
  • (v. i.) To move with speed; to race; as, the blood courses through the veins.

Example Sentences:

  • (1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
  • (2) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
  • (3) These included bringing in the A* grade, reducing the number of modules from six to four, and a greater attempt to assess the whole course at the end.
  • (4) Therefore, it is suggested that PE patients without endogenous erythroid colonies may follow almost the same clinical course as SP patients.
  • (5) Twenty-seven patients were randomized to receive either 50 mg stanozolol or placebo intramuscularly 24 h before operation, followed by a 6 week course of either 5 mg stanozolol or placebo orally, twice daily.
  • (6) It is followed by rapid neurobehavioral deterioration in late infancy or early childhood, a developmental arrest, plateauing, and then either a course of retarded development or continued deterioration.
  • (7) In dorsoventral (DV) reversed wings at both shoulder or flank level, the motor axons do not alter their course as they enter the graft.
  • (8) The program met with continued support and enthusiasm from nurse administrators, nursing unit managers, clinical educators, ward staff and course participants.
  • (9) Of course the job is not done and we will continue to remain vigilant to all risks, particularly when the global economic situation is so uncertain,” the chancellor said in a statement.
  • (10) low molecular weight dextran in the course of right heart catheterization.
  • (11) Community involvement is a key element of the Primary Health Care (PHC) approach, and thus an essential topic on a course for managers of Primary Health Care programmes.
  • (12) The time-course and dose-response for this modification of pp60c-src paralleled PDGF-induced increases in phosphorylation of pp36, a major cellular substrate for several tyrosine-specific protein kinases.
  • (13) The evidence suggests that by the age of 15 years many adolescents show a reliable level of competence in metacognitive understanding of decision-making, creative problem-solving, correctness of choice, and commitment to a course of action.
  • (14) The course of urogenital tuberculosis is complicated by unspecific bacterial infections of the urinary tract and nephrolithiasis.
  • (15) In the course of the syndrome development blood vessel permeability was increased in the anterior chamber of the eye.
  • (16) Mieko Nagaoka took just under an hour and 16 minutes to finish the race as the sole competitor in the 100 to 104-year-old category at a short course pool in Ehime, western Japan , on Saturday.
  • (17) The time course of the current potentiation was similar to that seen with beta-adrenergic stimulation.
  • (18) Such complications as intracerebral haematoma or meningeal haemorrhage may occur during the usually benign course of the disease.
  • (19) Several dimensions of the outcome of 86 schizophrenic patients were recorded 1 year after discharge from inpatient index-treatment to complete a prospective study concerning the course of illness (rehospitalization, symptoms, employment and social contacts).
  • (20) The course was further complicated by administration of gentamicin, an antibiotic known to potentiate neuromuscular blocking drugs.