(1) It is suitable either for brief sampling of AP durations when recording with microelectrodes, which may impale cells intermittently, or for continuous monitoring, as with suction electrodes on intact beating hearts in situ.
(2) The impaled cardiac cells which generated transitional action potentials were identified in serial sections and studied with the light and the electron microscopes.
(3) Impalements of sufficient quality to demonstrate inhibition by carotid baroreceptor stimulation (blind sac inflation) were obtained for 9 cells.
(4) Impalement of identified principal cells from the serosal side with single-barrelled conventional or double-barrelled Cl(-)-sensitive microelectrodes was performed at x500 magnification.
(5) Electrical stimulation of the arcuate nucleus did not elicit any detectable synaptic response in impaled tanycytes, so that the functional significance of synaptoid contacts between neuroendocrine neurons and the postsynaptic tanycytes is not yet apparent.
(6) cell volume changes); luminal and contraluminal cell borders are well resolved for controlled microelectrode impalement.
(7) One of these interneurons was impaled intracellularly, characterized physiologically, and then labeled by intracellular horseradish peroxidase (HRP) injection to examine the distribution and ultrastructure of synapses.
(8) Application of TEA in the presence of bicuculline (10(-5) M) increased the amplitude and duration of the DS in neurons impaled with D890-containing electrodes.
(9) The relatively rare occurrence of this type of oscillation in impaled neurons, as compared with extracellular recordings in the same nucleus or to intracellular recordings in other dorsal thalamic nuclei, suggests that the interplay between the two intrinsic currents generating delta oscillation is particularly critical in lateral geniculate cells.
(10) The neurons are stimulated by a microelectrode impaled in the soma.
(11) Smooth muscle cells were impaled near the myenteric border between the circular and longitudinal layers.
(12) It is concluded that the leak impalement artifact is so significant in micro-electrode recordings from hamster eggs that it prevents routine reliable potential measurements.
(13) Intradendritic impalements were obtained to more accurately assess changes in the intracellular EPSP following HFS.
(14) Biological (stratum corneum) and artificial (cation-exchange resin beads, Bio-Rad AG 50W-X2) ion exchangers were impaled by glass microelectrodes filled with KCl solution.
(15) During whole-cell recordings, however, regular potential oscillations were observed in the cells that had not been impaled with a conventional microelectrode, as far as the Ca2+ buffer was not strong in the pipette solution.
(16) Following impalement with intracellular electrodes, the large calyciform nerve terminals innervating chick ciliary ganglion neurons exhibit pronounced inward rectification upon hyperpolarization that increases with increasing current strength.
(17) Human red cells in modified Ringer solution were impaled individually with 3 M KCl-filled glass microelectrodes.
(18) The physiological properties of these double-labelled corticospinal neurons were indistinguishable from those of comparable neurons which were impaled with biocytin-containing electrodes without prior RLM-labelling, and neurons studied with potassium acetate-filled electrodes in similar areas.
(19) This confirms (i) the intracellular location of the microelectrode and the absence of impalement artifacts, and (ii) the ineffectiveness of ADH upon the electromotive forces of the inner border.
(20) To suppress contractile responses and thereby facilitate sustained impalements, the muscle strips were bathed with a hypertonic solution containing sucrose.
Piercing
Definition:
(p. pr. & vb. n.) of Pierce
(a.) Forcibly entering, or adapted to enter, at or by a point; perforating; penetrating; keen; -- used also figuratively; as, a piercing instrument, or thrust.
Example Sentences:
(1) At pH 7.0, reduction is complete after 6 to 10 h. These results together with an earlier study concerning the positions of the two most readily reduced bonds (Cornell J.S., and Pierce, J.G.
(2) Cook, who has postbox-red hair and a painful-looking piercing in his lower lip, was now on stage in discussion with four fellow YouTubers, all in their early 20s.
(3) Meanwhile the Brooklyn Nets, who have been dealing with nothing but bad news since the start of the regular season, will be without Paul Pierce for 2-4 weeks, also due to a right hand fracture.
(4) After properly fixing the vas deferens with a ring clamp, the surgeon pierces the scrotal skin, vas sheath, and vas deferens in the midline with a curved dissecting clamp held at a 45 degree angle from horizontal.
(5) The dorsal interosseous muscles gave off tendons which pierced the transverse laminae or passed deep to the transverse laminae, and attached to the bases of the proximal phalanges.
(6) Four patients received a subclavian intraaortic balloon pump, two were supported with a Novacor left ventricular assist system, three patients received Pierce-Donachy ventricular assist devices, and one patient received a Jarvik 7 total artificial heart.
(7) Lisbeth Salander is a violent and emotionally uncommunicative tattooed and much-pierced goth who grew up in care, and has had serious mental health issues.
(8) Ear-piercing techniques include needles, safety pins, sharpened studs, and self-piercing kits.
(9) The price G4S is paying amounts to 8.5 times of top-line earnings - "by no means cheap," said Seymour Pierce analyst Kevin Lapwood.
(10) But the character – compounded of piercing sanity and existential despair, infinite hesitation and impulsive action, self-laceration and observant irony – is so multi-faceted, it is bound to coincide at some point with an actor’s particular gifts.
(11) This paper draws attention to tool marks in the area of pierced rib cartilage and considers the possibilities of their analysis.
(12) Fourteen patients were supported with a Pierce-Donachy ventricular assist device (left ventricular assist in seven, right ventricular assist in three, both in four); nine were supported with extracorporeal membrane oxygenation, two with a Medtronic centrifugal left ventricular assist pump, one with biventricular Biomedicus pumps, and one with a Novacor left ventricular assist system.
(13) A scanning electron microscope (SEM) study of the mouthparts of Psoroptes cuniculi from rabbits and P. ovis from sheep established that they are identical in morphology and are adapted for surface feeding rather than piercing the epidermis.
(14) The footage beamed back from the liberated districts of Ramadi is grim: a ghost town littered with debris and smashed concrete, destroyed storefronts, plumes of smoke, the sound of gunfire piercing the air as Iraqi soldiers speak on camera.
(15) We stress the need for strict enforcement of correct sterilization procedures whenever needles are used to pierce skin.
(16) By stepping back from some of the more radical solutions suggested before the election – such as the complete separation of high street banks from "casino" investment banks proposed by business secretary Vince Cable – the commission left the banks "secretly quite pleased", according to Bruce Packard, banks analyst at Seymour Pierce.
(17) In 2013, actor Pierce Brosnan’s daughter, Charlotte, died from ovarian cancer.
(18) The piercing intelligence-wise in terms of humans has been very difficult all along."
(19) The passage through Congress of legislation such as the 2010 Fair Sentencing Act , which reduced the racially significant disparity between punishments for crack and powder cocaine, and the Death in Custody Act , which introduces a federal record of deaths in police custody, have shown that incarceration – and perhaps incarceration alone – is able to pierce through the partisan gridlock of Washington.
(20) Benteke and the tireless Andreas Weimann take the plaudits for their four passes that pierced the Liverpool defence and saw the Austrian forward sweep home Benteke's exquisite back-heel.