(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.
Satellite
Definition:
(n.) An attendant attached to a prince or other powerful person; hence, an obsequious dependent.
(n.) A secondary planet which revolves about another planet; as, the moon is a satellite of the earth. See Solar system, under Solar.
(a.) Situated near; accompanying; as, the satellite veins, those which accompany the arteries.
Example Sentences:
(1) Endogeneous satellite cells in skeletal muscle regenerating from bupivacaine damage were infected with an injected retrovirus containing the Escherichia coli beta-galactosidase gene under the promoter control of the Moloney murine leukemia virus long-terminal repeat.
(2) These preliminary experiments suggest that oSm is similar to IGF-I in its binding characteristics and that primary cultures of skeletal muscle satellite cells possess type I and type II IGF receptors.
(3) These differences point to the fact that the mechanisms that regulate satellite cell mitotic and fusion behavior are also not the same in all muscles.
(4) Thus, the previously described ubiquity of "82H" human centromeric sequences reflects the existence of diverse alpha satellite subsets located at the centromeric region of each human chromosome.
(5) After one cycle in bromodeoxyuridine we could examine the satellite polarity of the heterochromatic DNA.
(6) In the hybrid cells the human nucleolus organizer regions are active, as shown by Ag-AS staining and involvement in "satellite association."
(7) Oligonucleotide probes prepared according to the NH2-terminal amino acid sequences of the enzyme and its satellite polypeptide (a polypeptide associated with the extracellular enzyme of the native host) hybridized to different regions of the 7.0 kb DNA insert.
(8) Hypertrophy of the satellite cells with increase in the perineuronal intercellular spaces, often associated with irregular, scalloped nuclear and cell outlines, suggested that neuron shrinkage had occurred.
(9) The temperature at which most label, or cRNA-DNA hybrid formation, exists corresponds to the optimal rate temperature for the hybridisation of these same satellite cRNA-DNA hybrids as determined by RNA excess filter hybridisation.
(10) Using nonradioactive in situ hybridization with a chromosome 18 alpha-satellite DNA probe (D18Z1), the centromeres in the abnormal chromosomes were determined to be from chromosome 18.
(11) Profiles of randomly and serially sectioned satellite cells were analyzed stereologically to obtain nuclear and cytoplasmic areas.
(12) Countries would have to show, from historical data, satellite imagery and through direct measurement of trees, the extent, condition and the carbon content of their forests.
(13) The satellite component is not found when digging up from the tube bottom.
(14) The biopsy findings consisted of eosinophilic individual necrosis of epidermal cells, satellite cell necrosis, basal liquefaction degeneration, and scanty cell infiltration into the dermis.
(15) The Colorado-based tycoon is notoriously secretive and at one point looked as if he was going to mount a rival bid for the US satellite TV company.
(16) RNA3 is a small RNA of molecular weight 500,000 d considered to be a satellite RNA.
(17) Mc1 is a diverse satellite family of the Mc subgenome of which certain members with a 100 bp repeat unit are found to occur at the pericentromeric regions of each Mc autosome, while others are chromosome-specific, e.g.
(18) The long-range periodicity of mouse satellite DNA has been analyzed by digestion with five restriction nucleases.
(19) It is concluded that the satellite DNA, which appears homogeneous by digestion with endo R-EcRII, contains distinct segments each susceptible to degradation with one of the other nucleases.
(20) Unmanned drones help enormously with this problem as they can be operated via satellite from thousands of miles away and dramatically lower the risk to British forces.