(1) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
(2) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
(3) The number of axons displaying peptide-like immunoreactivity within the optic nerve, retinal or cerebral to the crush, and within the optic chiasm gradually decreased after 2-3 months.
(4) Once the normal variations are mastered, appreciation of retinal, choroidal, optic nerve, and vitreal abnormalities is possible.
(5) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
(6) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(7) Unlike results seen in the goldfish optic nerve, injury to the rat optic nerve induced no observable increase in laminin content or change in its distribution.
(8) This is the first report of anterior ischemic optic neuropathy as a result of hemodialysis-associated hypotension.
(9) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
(10) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
(11) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
(12) The optical and oxygen binding properties of the reconstituted myoglobins containing two isomeric monoformyl-monovinylhemins were found to be different.
(13) These images were previously determined by using a recently developed hybrid optical-digital method.
(14) The development of optical fibers capable of transmitting laser energy has encouraged the experimental use of laser irradiation for the treatment of acquired cardiovascular disorders.
(15) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
(16) Patients should be evaluated by perimetry using an appropriate strategy and contrast sensitivity testing, along with careful examination of the optic discs.
(17) Thus, during treatment with ethambutol visually (pattern) evoked potentials may reveal a surprisingly high percentage of subclinical optic neuritis.
(18) The optical efficiencies are similar and depend on the match of the excitation characteristics of the stain with the emission spectra of the light source.
(19) Morphological results demonstrated that 30 Gy irradiated animals showed extensive necrosis primarily in the fimbria, which extended into the internal capsule, optic nerve, hippocampus, and thalamus.
(20) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
Sharpen
Definition:
(a.) To make sharp.
(a.) To give a keen edge or fine point to; to make sharper; as, to sharpen an ax, or the teeth of a saw.
(a.) To render more quick or acute in perception; to make more ready or ingenious.
(a.) To make more eager; as, to sharpen men's desires.
(a.) To make more pungent and intense; as, to sharpen a pain or disease.
(a.) To make biting, sarcastic, or severe.
(a.) To render more shrill or piercing.
(a.) To make more tart or acid; to make sour; as, the rays of the sun sharpen vinegar.
(a.) To raise, as a sound, by means of a sharp; to apply a sharp to.
(v. i.) To grow or become sharp.
Example Sentences:
(1) This paper employs a rhetorical form designed to clarify and sharpen the focus of the very special stance required--which must be painstakingly learned under careful supervision--in order to effectively tune in to communications coming from the unconscious of the patient.
(2) Although not all reported unconventional applications of antimicrobial agents remain in use, sharpening awareness of their multifaceted actions should encourage broader understanding of all agents traditionally confined to specific uses.
(3) The surprise return of Saleh last month, after recovering in Saudi Arabia from an assassination attempt, has plunged the country into deeper uncertainty and sharpened the differences between pro- and anti-government camps.
(4) Ear-piercing techniques include needles, safety pins, sharpened studs, and self-piercing kits.
(5) The factory sharpened scalers exhibited metallic extensions from the lateral surface (wire edges).
(6) Disruption of visual activity, either by blocking activity with intraocular tetrodotoxin (TTX; Schmidt and Edwards, 1983) or by synchronizing activity with strobe illumination (Schmidt and Eisele, 1985), disrupts the sharpening process: the map is correctly oriented but the multiunit receptive fields at each point average 25-40 degrees in diameter.
(7) NaOH or 1 M acetate buffer at pH 6.0 sharpened e.p.r.
(8) The addition of 1 mM MgATP leads to a sharpening of the length distribution around 1.5 micron without change in the 16 nm diameter.
(9) During this period, the intensity of transcription in presomitic and somitic mesoderm declines relative to that in the overlying neural ectoderm, and the transcription boundary within the presumptive hindbrain region sharpens.
(10) The overall sense is of YouTube sharpening its focus on its most popular content, both in terms of individual channels and entire categories.
(11) The day before the murder you Adebolajo bought five knives and a knife sharpener – which you used to sharpen some of the knives in preparation for their use in the murder.
(12) The sharpening dispute over the Senkaku islands, known as Diaoyu in China , is the most recent product of this old narrative of violence, hatred, fear and grief that continues, sporadically, to obstruct both nations in their efforts to forge a more stable, trusting relationship.
(13) Hagan himself used to work in the car industry, and brought a similar shift operation and level of automation to the housing factory to sharpen up the process.
(14) Jam is often used but this can make it too sweet – if you do use jam try mixing in a little lemon juice to sharpen things up.
(15) By the time the latest spat came before the FCC, Karr argues, net activists had sharpened their tactics and raised their game.
(16) To improve the definitions, eliminate overlapping diagnostic categories, and sharpen the fuzzy boundaries that contribute substantially to limited reproducibility, we suggest: (1) the categories of astrocytoma nos, fibrillary astrocytoma, and protoplasmic astrocytoma be collapsed into a single category of astrocytoma; (2) the diagnostic category of desmoplastic medulloblastoma be combined with medulloblastoma; and (3) the criteria for anaplasia should be further refined to include quantification of critical histologic features, e.g., agreed upon operational definitions for amount of cell density, number of mitoses and pleomorphism for anaplastic astrocytoma and anaplastic ependymoma.
(17) Rather than pointing fingers or assigning blame, let’s use this occasion to expand our moral imaginations, to listen to each other more carefully, to sharpen our instincts for empathy and remind ourselves of all the ways that our hopes and dreams are bound together … If this tragedy prompts reflection and debate – as it should – let’s make sure it’s worthy of those we have lost.
(18) When sharpened with citrus and lubricated with olive oil, this is a real delight.
(19) His friend Dingle Foot drafted an editorial that David then sharpened up, inserting phrases that summed up his outlook: 'We had not realised that our government was capable of such folly and crookedness...It is no longer possible to bomb countries because you fear that your trading interests will be harmed...this new feeling for the sanctity of human life is the best element in the modern world.'
(20) The temperature profiles of turbidity (TP tau) of the cyclododecapeptide are analogous to those of the polyhexapeptide where increases in concentration lead to translations of the profiles to lower temperature without sharpening of the transition.