What's the difference between impalement and shield?

Impalement


Definition:

  • (n.) The act of impaling, or the state of being impaled.
  • (n.) An inclosing by stakes or pales, or the space so inclosed.
  • (n.) That which hedges in; inclosure.
  • (n.) The division of a shield palewise, or by a vertical line, esp. for the purpose of putting side by side the arms of husband and wife. See Impale, 3.

Example Sentences:

  • (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.

Shield


Definition:

  • (n.) A broad piece of defensive armor, carried on the arm, -- formerly in general use in war, for the protection of the body. See Buckler.
  • (n.) Anything which protects or defends; defense; shelter; protection.
  • (n.) Figuratively, one who protects or defends.
  • (n.) In lichens, a Hardened cup or disk surrounded by a rim and containing the fructification, or asci.
  • (n.) The escutcheon or field on which are placed the bearings in coats of arms. Cf. Lozenge. See Illust. of Escutcheon.
  • (n.) A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses.
  • (n.) A spot resembling, or having the form of, a shield.
  • (n.) A coin, the old French crown, or ecu, having on one side the figure of a shield.
  • (n.) To cover with, or as with, a shield; to cover from danger; to defend; to protect from assault or injury.
  • (n.) To ward off; to keep off or out.
  • (n.) To avert, as a misfortune; hence, as a supplicatory exclamation, forbid!

Example Sentences:

  • (1) 11 patients with a postoperative classification of stage D had additional external beam radiation to the pelvic and paraaortic lymph nodes with shielding of the implanted prostatic region.
  • (2) An effective gonadal shield should reduce the gonadal dose to a level low enough to preserve spermatogenesis in most patients.
  • (3) Scott was born in North Shields, Tyne and Wear, the youngest of the three sons of Colonel Francis Percy Scott, who served in the Royal Engineers, and his wife, Elizabeth.
  • (4) Fred had to be substituted to shield him from the crowd’s disdain.
  • (5) Was the Dalkon Shield so harmful in the nulliparous woman?
  • (6) Physicians need to prescribe the lowest possible dose of hormones in these women and counsel them to shield their face from sunlight.
  • (7) Moulton said his colleagues were preparing to table an offer next week that will shield 50% of the council's staff from a pay cut.
  • (8) Adult males acclimated to an LD 14:10 photoperiod were distributed in five experimental groups: intact controls (NO), sham-pinealectomized (S), sham-pinealectomized with black plastic shielding of the pineal region, pinealectomized (PX), and pinealectomized with the operated region shielded.
  • (9) In order to evaluate long-term as well as short-term effects, blood loss was measured at postinsertion levels of 6, 12, and 18 months in 72 women wearing the Lippes loop, in 73 wearing the Dalkon shield, and in 82 with TCu 300.
  • (10) Using the outer 2 mm of the skin-fold, and shielding the rest of the hand with a lead plate, cutaneous blood flow rate could be monitored separately.
  • (11) Shielded marrow self renewal capacity, a measurement reflecting primitive hematopoietic stem cell function, remained depressed and did not recover with time.
  • (12) We believe the shield makes the patient more comfortable and decreases the likelihood of dislodgement of the adhesive.
  • (13) He lost contact with his father, a lorry driver, for several years, but says that his mother - aided by his uncle - made it her mission to shield him from the crime and disorder around them.
  • (14) The lead shield encloses only the testes, allowing its use with nearly any radiation field that does not include the testes.
  • (15) "Let us arm ourselves with the weapon of knowledge and let us shield ourselves with unity and togetherness," Malala said.
  • (16) I’m not satisfied until I collect everything' … EFL Cup Europa League International Champions Cup Community Shield Which competition was Ian Rush talking about when he said: 'This is why cup finals are so special, because anyone can beat anyone.
  • (17) Nemanja Matic, more normally such a man-mountain of a midfield shield, is diminished and was beaten too easily in the air by James Morrison for the home side’s second.
  • (18) The results indicate that collagen shields can slowly release cyclosporin A and increase the penetration time for the drug.
  • (19) Shields accepted that the Irish appeared more inclined to send up their grim fiscal situation than go out and riot.
  • (20) Some Coalition MPs raised concerns earlier this year that transparency could expose wealthy business owners to security risks, including kidnapping , and the government prepared legislation to shield private Australian companies.

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