(a.) In the form of, or bounded by, a circle; round.
(a.) repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.
(a.) Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic.
(a.) Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.
(a.) Perfect; complete.
(a.) A circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular.
(a.) A sleeveless cloak, cut in circular form.
Example Sentences:
(1) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
(2) When irradiated circular DNA, previously nicked by T4 endonuclease V, is briefly exposed to elevated temperature, the DAN becomes susceptible to the action of exonuclease V, and pyrimidine dimers are selectively released.
(3) Circular muscle strips from the opossum esophageal body obtained 3-5 cm above the esophagogastric junction were suspended in organ baths for measurement of isometric tension.
(4) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
(5) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
(6) Circular dichroism (CD) spectra indicating different local orientation of oxazolone, when coupled to L or D side chain-terminating amino acids, support this suggestion.
(7) The alpha-helical content of the free form of the lipoprotein was measured from the circular dichroism spectrum of the lipoprotein in 0.01% sodium dodecyl sulfate and found to be 87%.
(8) Parameters affecting assembly of these complexes were sequences in circular DNA templates, sizes and sequences of linear DNA templates, temperature and incubation time.
(9) The mechanisms underlying the biphasic response (BR) of the circular muscle of the guinea pig ileum (CMGPI) to bradykinin (BK) have been examined.
(10) The distribution and lateral mobility of VDCCs on CA1 hippocampal neurons have been determined with biologically active fluorescent and biotinylated derivatives of the selective probe omega-conotoxin in conjunction with circular dityndallism, digital fluorescence imaging, and photobleach recovery microscopy.
(11) The structure of the Z-helix antigen was confirmed by circular dichroism (CD) and U.V.
(12) Dustin Benton Dustin Benton, head of resource stewardship, Green Alliance Creating a circular economy will take action in three areas: the economy, policy and politics, and innovation.
(13) Anastomotic devascularization has been incriminated in the development of post-operative complications (fistula, stenosis) of circular stapling.
(14) If people approach it in the right way and we show that this is a development agenda – it’s competitiveness, it’s jobs – then why wouldn’t it be adopted.” Read more like this: How much do you know about the circular economy?
(15) When the method proposed by Trela (1975) is applied, thin layers of the petrous crest are chiselled out until the common crus of the superior and posterior semi-circular becomes apparent.
(16) A comparison of the conformation of Folch-Pi apoprotein in organic solvent and in aqueous solutions has been made by ESR, infrared and circular dichroism spectroscopy studies.
(17) In the group of malignant schizophrenia, irrespective of the stage of the disease and in the group of circular forms there was a definite drop in the activity of cytochromoxidase, succinatedehydrogenase and MAO, while as the activity of the ATP-ase and peroxidase was increased.
(18) Circular cuts which surgically isolated the medial basal hypothalamus (MBH) from the remainder of the brain did not prevent copulation 4 to 24 h later, but did block reflex ovulation.
(19) Monodispersed N- and C-protected linear homo-oligomethionines (n = 2- -7) are studied by measurements of circular dichroism in the vacuum ultraviolet region.
(20) The first stage is characterized by circular disturbances of conditioned activity, vegetative shifts of compensatory character and intensification of individual characteristics of behaviour.
Ellipticity
Definition:
(n.) Deviation of an ellipse or a spheroid from the form of a circle or a sphere; especially, in reference to the figure of the earth, the difference between the equatorial and polar semidiameters, divided by the equatorial; thus, the ellipticity of the earth is /.
Example Sentences:
(1) In this paper we present a robust algorithm to determine automatically contours with elliptical shapes.
(2) The results of the rapid-freeze and deep-etch procedure showed that the ridges observed by the surface replica method consisted of linear arrangements of elliptical particles on the ES face of the plasma membrane.
(3) The interaction with these lipids, the rotational conformations of the 17-acetyl group, and invertible conformations of the cyclohexenone of PROG were discussed on the basis of the elliptical strength of the Cotton effect and energy estimation of the preferred conformers.
(4) Similar aftereffects were obtained whether the area of the test stimulus was fixed or varied randomly from trial to trial, and whether the test stimulus was rectangular or elliptical.
(5) Raji consistently exhibited the highest and SU-AMB-1 the lowest polymerase activity and ellipticity.
(6) As univariate predictors, the variance of nuclear roundness, the mean of ellipticity, the Gleason score, age, and clinical stage were statistically significant predictors of disease progression when analyzed with Kaplan-Meier survival curves.
(7) The thermodynamics of this self-association have been evaluated by studying the temperature- and concentration-dependence of the mean residue ellipticity at 220 nm.
(8) In addition, it appears that the population of Elschnig type III nerve heads includes higher elliptical values than that for the Elschnig type II nerve heads.
(9) Protein unfolding was detected by ellipticity changes at 222 nm with increasing concentrations of guanidine hydrochloride (GdnHCl).
(10) Ontogenetic data on developmental stages I-IV of 3678 melanosomes based on geometric considerations (length, width, shape, and area) showed that MSH did not induce a complete transformation from spherical phaeomelanosomes to elliptical eumelanosomes.
(11) On 62 of 100 pediatric bladder sonograms a small, elliptical, hypoechoic structure was observed on the middle of the anterosuperior surface of the urinary bladder.
(12) The spatial extension of these megalospermatocyte populations is spherical to elliptical, some of them look like a section of a spiral around the longitudinal axis of the seminiferous tubule.
(13) In the case of the inclined model and a vertical beam the diffusion field was elliptical, with a still more diffuse transition to the fields above and below than in the case of the vertical model and a horizontal beam.
(14) CD measurements gave equal [theta] values for lysozyme and derivative at the two negative ellipticity bands at 208 and 220 nm.
(15) LH-RH nerve processes terminated mainly in the infurdibular radix within an elliptical zone surrounding the bases of the infundibular recessus.
(16) Similar, but far smaller, effects were seen in a region with an elliptical cross-section and when the flow was made pulsatile.
(17) The correlation showed the advantages of planning using optimal schemes in volumes with an elliptical and irregular section by the criteria of homogeneity of target contour irradiation, the lessening of radiation exposure beyond the target and an increase in the absolute value of minimum dose rate at the border of an irradiated volume.
(18) There was no positive ellipticity, and the spectrum was not characteristic of collagen.
(19) (b) Chemical input is received from unidentified presynaptic neurons containing either round or elliptical vesicles.
(20) The kinetics of regain of the native ellipticity in the far- and near-UV spectra have been investigated during the refolding at pH 7.8 and 20 degrees C of guanidine-unfolded, nonreduced hen egg white lysozyme.