(n.) One who, or that which, conducts; a leader; a commander; a guide; a manager; a director.
(n.) One in charge of a public conveyance, as of a railroad train or a street car.
(n.) The leader or director of an orchestra or chorus.
(n.) A substance or body capable of being a medium for the transmission of certain forces, esp. heat or electricity; specifically, a lightning rod.
(n.) A grooved sound or staff used for directing instruments, as lithontriptic forceps, etc.; a director.
(n.) Same as Leader.
Example Sentences:
(1) The orientation of the dilating balloon in the inlet and outlet portions of the left ventricle, change of the catheter-dilator is controlled due to a loop of the conductor connecting the right and left parts of the heart.
(2) The adrenergic fibres form developed plexuses different in the density of disposition of nerve conductors on the arteries of different segments of the spinal cord.
(3) (Peter Adamik) The Order of Merit (OM) awarded to individuals of greatest achievement in the fields of the arts, learning, literature and science, goes to the conductor Sir Simon Rattle , and to the heart surgeon Professor Sir Magdi Yacoub.
(4) The Audiant Bone Conductor has been heralded as an aid for use in conductive hearing loss; however, its possible use in unilateral sensorineural hearing loss (SNHL) has also been proposed.
(5) The driver refused to stop at her village despite her repeated pleas and instead drove her, the only passenger on the bus, to a remote farmhouse where he and the bus conductor were joined by five friends.
(6) The extracellular potentials of single frog muscle fibers in homogeneous unbounded volume conductor at different temperature are calculated.
(7) The electrical conduction of the ECG from the fetal heart to the maternal abdomen has been modelled by using volume conductor models based on the measured actual geometry.
(8) This can be deduced from the facts that the inhibition by valinomycin is relatively insensitive to pH, is considerably greater in Na(+)- than in K(+)-containing buffers, and is not enhanced by the addition of proton conductors.
(9) The changes in the integral of the extracellular action potentials (EAPs) generated by an infinite homogeneous fibre in an infinite homogeneous and isotropic volume conductor were studied at different radial distances (yo) from the fibre axis, depending on the propagation velocity (v), duration (Tin) and asymmetry of the intracellular action potential (IAP).
(10) These stationary potentials can spread widely in a volume conductor and can even be detected in a non-stimulated subject making a close contact to the generator source.
(11) These phenomena were attributed to the complex spread of the bioelectrical potentials in the nonhomogeneous volume conductor formed by the tissues of the temporal bone.
(12) No conductor telling me when to come in, no legato or staccato to follow.
(13) It has been suggested that many attributes of gastrointestinal electrical activity cannot be adequately explained by classic "core-conductor" or "cable" models of excitation and conduction.
(14) The antennas are made of thin coaxial cables with a radiation gap or gaps on the outer conductor.
(15) We are thankful for the efficient therapy of the semi conductor Ga As Laser and the possibility that we have through the use of such an instrument to reduce the supply of the anti inflammatory medicines in patients that experience pain.
(16) Following reestablishment of the main blood flow a positive electrical potential (3--4 V) was fed on the prosthesis by means of a current conductor.
(17) Fields H3, H4, H5 send no afferent conductors to the post-commissural fornix.
(18) Out of interest, we were contacted by another reader this week who wrote to say that a train conductor she met on holiday last year, who lived in York, was saying how delighted he was that his rail company had upped the "commission rate he received on tickets sold on the train to people unable to produce a proper ticket".
(19) Myelinated nerve fiber excitation is determined from a core-conductor nerve model, whose nodal currents are described by the Frankenhaeuser-Huxley kinetics and the aforementioned field providing the applied potentials.
(20) Considering the brain as a volume conductor, the ways of revealing the ocular movement artefacts in the frontal EEG leads have been suggested.
Junction
Definition:
(n.) The act of joining, or the state of being joined; union; combination; coalition; as, the junction of two armies or detachments; the junction of paths.
(n.) The place or point of union, meeting, or junction; specifically, the place where two or more lines of railway meet or cross.
Example Sentences:
(1) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
(2) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
(3) Linear and annular gap junctions between neighbouring cells were present, particularly in Group 1.
(4) The family comprises at least three variable (V) gene segments, three constant (C) gene segments, and three junction (J) gene segments.
(5) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
(6) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
(7) Circular muscle strips from the opossum esophageal body obtained 3-5 cm above the esophagogastric junction were suspended in organ baths for measurement of isometric tension.
(8) There is approximately a 25% decrease in aggregation from regions of the rib distal to the metaphyseal-growth plate junction (69%) to the region proximal to it (50%).
(9) Whereas the tight junctions of endoneurial capillaries are known to prevent certain blood-borne substances from entering the endoneurium, it was not clear whether the permeability of the pulpal capillaries, which are distant from the nerve fibres, could affect the nerve fibre environment.
(10) In contrast, newly formed secondary myotubes are short cells which insert solely into the primary myotubes by a series of complex interdigitating folds along which adhering junctions occur.
(11) The junctional currents were already constant 1 ms after step changes in the junctional voltage; this was three orders of magnitude faster than the other known examples of voltage-controlled gap junctions between embryonic cells.
(12) Three cases of simultaneous atrial and a-v junctional tachycardia, related to the administration of digitalis and occurring in a short period of 16 months, are reported.
(13) In junctions, 3' PSS termini are preserved by fill-in DNA synthesis, although their 5' recessed ends cannot serve as a primer.
(14) It is therefore suggested that salt water adaptation triggers a cellular reorganization of the epithelium in such a way that leaky junctions (a low resistance pathway) appear at the apex of the chloride cells.
(15) At the adult neuromuscular junction, acetylcholine (ACh) receptors are highly localized at the subsynaptic membrane, whereas, embryonic myotubes before innervation have receptors distributed over the entire surface.
(16) The normal anatomical position of the point of junction of the superficial cerebral veins with the superior sagittal and transverse sinuses of the rat was studied with an analytical mathematical method.
(17) Histological examination showed that in many cases these terminal sprouts appeared to reinnervate abandoned junctional sites on adjacent denervated fibers.
(18) In vivo, the ability of an AChR clustering stimulus to depress cluster formation elsewhere on the muscle cell may influence both the site at which the neuromuscular junction develops as well as which axons survive during synapse elimination.
(19) Immunofluorescence and immunoelectronmicroscopy experiments demonstrated that while tight junctions demarcate PAS-O distribution in confluent cultures, apical polarity could be established at low culture densities when cells could not form tight junctions with neighboring cells.
(20) PTH, an inducer of shape change, did not affect the number of gap junctions appreciably.