(n.) An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
(n.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.
Example Sentences:
(1) Both apertures were repaired with great caution using individual sutures without resection of the hernial sac.
(2) By moving an electronic pen over a digitizing tablet, the subject could explore a line drawing stored in memory; on the display screen a portion of the drawing appeared to move behind a stationary aperture, in concert with the movement of the pen.
(3) The procedure consists of a Kirschner wire used as the means of traction on the remaining soft tissue of the lower lip, using the upper teeth or pyriform aperture bone as remote fixed points for tissue traction.
(4) The calibrated aperture in the bottom of each well is small enough to retain fluid contents by surface tension during monolayer growth, but also permits fluid to enter the wells when transfer plates are lowered into receptacles containing washing buffer or test sera.
(5) Acute toxicity consisted primarily of pain within the AA aperture (74%), pain outside the aperture (33%), and bladder spasm (26%) or systemic stress (25%).
(6) Latex particles, including BCR Certified Reference Material CRM 166a, have important applications for checking linearity and for calibrating aperture-impedance instruments used to determine red-cell volumes.
(7) The distance between the apertures on the screen as well as the subject's distance from the screen served as experimental parameters.
(8) When the highly crystalline core contents are suitably oriented to transmit their Bragg reflections through the objective aperture, regular fringes separated by 2-9.5 A have been visualized.
(9) Aperture size was modulated during flight on some trials in an attempt to test between these possibilities, but the results were inconclusive.
(10) When examined with the 3 mm aperture, the average resolving power of the IOLs was 81% of the diffraction limit; when examined with the 4 mm aperture, the average resolving power was 67% of the diffraction limit.
(11) Its principle consists in repairing the tissue defect resulting from the excision of the lower lip by the additional surgical removal of one or two soft tissue triangles from the region of the nasolabial fold and in achieving primarily, by means of horizontal relieving incisions at the base of the lip defect, an extension of the mouth aperture.
(12) Temporal fluctuations of stomatal aperture are important to water use efficiency.
(13) Specific microscope components and objectives are used, and the numerical apertures are adjusted such that light diffraction colors are produced to allow differentiation of the various biological entities and their habitat materials.
(14) Topographical corneal thickness changes were monitored in 10 subjects who each wore a hydrogel contact lens with a large central aperture ("donut" lens) for 6 hours.
(15) The theory is based on a three-dimensional model and the electromagnetic field is assumed to be generated by a prescribed electric field along a ring-shaped aperture.
(16) Quantitative analysis of an area 27 microns in diameter, or a total analysed volume of 1.1 microns3, was performed by using a mechanical aperture in the ion optical system.
(17) We evaluated both low- and high-power lenses and varied the input aperture size between 1, 3, and 5 mm.
(18) Subjects were asked to match the speeds of two moving random-dot patterns seen through circular apertures.
(19) However, our experience has shown us that in certain cases, there are some possibilities of aperture if we feel ourself free enough with our medical identity and if we keep silent as long as the patient is not able to hear us.
(20) The estimated doses to the third, fourth, fifth, and sixth cranial nerves was calculated at a saggital plane 13 to 15 mm from the pituitary by using computer-drawn dosimetry charts for the respective aperture size.
Gap
Definition:
(n.) An opening in anything made by breaking or parting; as, a gap in a fence; an opening for a passage or entrance; an opening which implies a breach or defect; a vacant space or time; a hiatus; a mountain pass.
(v. t.) To notch, as a sword or knife.
(v. t.) To make an opening in; to breach.
Example Sentences:
(1) Linear and annular gap junctions between neighbouring cells were present, particularly in Group 1.
(2) We conclude that removal of dimers and repair of gaps were similar in all cases.
(3) Hence the major role of the 14-A arm of carboxybiotin is not to permit a large carboxyl migration but, rather to permit carboxybiotin to traverse the gap which occurs at the interface of three subunits and to insinuate itself between the CoA and keto acid sites.
(4) 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.
(5) These two enzymes may act jointly in filling up the gaps along the DNA molecule and elongating the DNA chain.
(6) Preliminary hearing results of 45 cases show air-bone gap closure of 67% within 10 dB and 98% within 20 dB.
(7) Measurements were made of the width of the marginal gap for three sites at each of four stages: (1) after the shoulder firing, (2) after the body-incisal firing, (3) after the glaze firing, and (4) after a correction firing.
(8) Office of National Statistics figures published in November last year showed that men earn 9.4% more than women, the lowest gender gap since records began in 1997.
(9) To a large extent, the failure has been a consequence of a cold war-style deadlock – Russia and Iran on one side, and the west and most of the Arab world on the other – over the fate of Bashar al-Assad , a negotiating gap kept open by force in the shape of massive Russian and Iranian military support to keep the Syrian regime in place.
(10) These activities define both the polarity of the anterior-posterior (AP) axis and the spatial domains of expression of the zygotic gap genes, which in turn control the subsequent steps in segmentation.
(11) After loss of permanent central incisors the treatment of choice could be either orthodontic closure or maintenance of the gap for a replacement-prosthetic, autotransplantation or implant.
(12) PTH, an inducer of shape change, did not affect the number of gap junctions appreciably.
(13) The primary aim of future work must still be directed toward preventing the formation of a gap between the restoration and the tooth.
(14) Since testosterone influenced both tissue stores and PDBu-stimulated secretion of LHRH and GAP, this steroid may selectively regulate biosynthesis and secretion of pro-LHRH-derived peptides through activation of the metabolic cascade involving the PKC system.
(15) Microsequencing of the peptides resolved by sodium dodecyl sulfate-polyacrylamide gel electrophoresis indicates that the amino terminus of the protein is disposed at or near the cytoplasmic surface of the gap junction, and that this surface also contains a protease-hypersensitive hydrophilic sequence between residues 109 and 123, presumably connecting the second and third transmembrane segments.
(16) The present investigation shows that the intramembranous proteins of tight and gap junctions are mobile structures within the fluid membrane.
(17) The report also recommends including justice and victim of violence targets in the national Closing the Gap strategy, recognising foetal alcohol spectrum disorders as a disability before the courts, and making a national commitment to a justice reinvestment approach to find community-based solutions to youth crime.
(18) Regions within the desmosome where the two plasma membranes converged suggested that gap junctions were a component of the desmosome-like junctions.
(19) The frequency of chromosome and chromatid gaps and chromosome deletions was significantly higher among workers than among controls, and the same was true for the number of individuals with some type of chromosome alteration.
(20) Gap junctions were of different sizes and frequently composed of a small number of connexons organized in polygonal aggregates or linear arrays.