(n.) One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coordinate axes.
Example Sentences:
(1) The data of the children with ROP, at birth and at the time when ROP developed, were recorded on a prognosis card, in each case between the child's absolute age (abscissa) and birthweight in g (ordinate).
(2) A negative correlation was found to exist between hepatic blood flow (ordinate) and fractional hepatic extraction (abscissa) of 125I-bPTH(1-84), both in the basal state (r = -.483, p less than .05, n = 24) and after having modified serum calcium (r = -.548, p less than .01, n = 24).
(3) Thus, both these agents which increase intracellular c-AMP caused a rightward shift in the curve expressing force (ordinate) as a function of Ca2+ influx (abscissa).
(4) By using a small computer, an analog to digital conversion is made and then the different spikes are recognized and characterized by means of their temporal abscissa (time of occurrence), amplitude, duration and type.
(5) Slopes greater than 1 were obviously due to discrepancies between the free inhibitor concentration (If) present in the assay and It plotted on the abscissa and could, therefore, be indicators of tight-binding conditions.
(6) The method makes use of (i) the abscissa of the first inflection point of the plot of any signal proportional to the binding of ligand to receptors versus the logarithm of the total ligand concentration, and (ii) the initial slope of the saturation curve plotted in direct coordinates.
(7) The relationship between the slope of the plot and the substrate concentration shows characteristic features depending on the inhibition type: for partial competitive inhibition, the straight line converging on the abscissa at--Ks, the dissociation constant of the enzyme-substrate complex; for non-competitive inhibition, a constant slope independent of the substrate concentration; for uncompetitive inhibition, a hyperbola decreasing with the increase in the substrate concentration; for mixed-type inhibition, a hyperbola increasing with the increase in the substrate concentration.
(8) In order to calculate a short segment of a V-P curve, the P"V"V was plotted on the ordinate and the PAW on the abscissa.
(9) Force increased in all intact muscles continually with sarcomere length from 1.6-2.4 microns; the relation between force and sarcomere length was convex toward the ordinate at high Ca++0 and convex toward the abscissa at low Ca++0.
(10) Locus equations are straight-line regression fits to data points formed by plotting onsets of F2 transitions along the ordinate and their corresponding midvowel nuclei along the abscissa.
(11) Each rearrangement was graphed once with actual (unbalanced result) or potential (normal or balanced result) imbalances plotted with trisomy as the ordinate and monosomy as the abscissa.
(12) Seven abscissas show the oxygen partial pressure gradients from the inspired air at a distinct altitude to the arterial blood.
(13) The curve representing the relation between force and sarcomere length shifted from convex towards the ordinate (pH 7.35) to convex towards the abscissa (pH 6.68) as after [Ca++]o had been reduced from 1.5 to 0.3 mmol X litre-1.
(14) Furthermore, extrapolated lines at high MgATP concentrations intersect on the abscissa, indicating loss of synergism in binding of substrates.
(15) Double reciprocal plots for Isi versus [Ca]0 drawn at pH 7.3 and 6.3 intersected at the abscissa, and indicated that H and Ca did not compete for a common site.
(16) 4 and 8 and the axis of abscissae can be taken as an objective criterion of a qualitatively abnormal movement of the cervical vertebral units.
(17) Definite integration from the origin to 1.0 and 2.0 on the abscissa gives the numerical value of AUC in each curve.
(18) A linear relationship between plasma DOPEG (ordinate) and plasma noradrenaline (NA; abscissa) was found during orthostasis as well as during NA infusion.
(19) The resulting double-reciprocal plot was linear; its slope and its intercepts on the ordinate and abscissa were pH-dependent.
(20) The dose-depolarization curve for enhanced aspartate responses (measured at a fixed time following a given dose of glutamate) was displaced to the left along the abscissa scale relative to control, with no detectable change in limiting log-log slope.
Rectilinear
Definition:
(a.) Straight; consisting of a straight line or lines; bounded by straight lines; as, a rectineal angle; a rectilinear figure or course.
Example Sentences:
(1) Validation studies, to show that the method is precise, accurate and rectilinear, have been carried out on four linctus formulations and two pastille formulations.
(2) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
(3) Several characteristics of plasma membrane (caveolae, rectilinear arrays, intramembranous particles) and sarcoplasmic reticulum which show fiber type differences in the adult ALD and PLD muscles are compared in the developmental stages.
(4) This indicates that the weave complex contributes to the initial rectilinear portion of the pressure volume curve.
(5) There was a rough rectilinear correlation between axon size and number of myelin lamellae in small and medium sized fibres.
(6) The incorporation of 14CO into acid-stable assimilation products by Pseudomonas gazotrophia Z-1156 is characterized by a slow rate at the beginning, contrary to the rectilinear kinetics for incorporation of the bicarbonate 14C in the presence of 12CO.
(7) (2) left ventricular segmental wall motion analysis, using rectilinear and polar method, the segmental ejection fraction and normalized segmental contraction are determined.
(8) The perfusion per unit lung increased rectilinearly down the lung in subjects below 30 years of age but decreased in the lowermost regions in older subjects.
(9) In the second experiment with 12-month-old infants only, it was shown that recognition of rectilinear, but not curvilinear, form occurred despite a difference in the orientation and size of tracing and object.
(10) Growth was exponential in I and II and exponential progressing to rectilinear in III and IV.
(11) Although it is often unknown whether the response of a biological variable is adequately described by one rectilinear regression function or by piecewise linear regression function(s) with separation point(s), an F test is proposed to determine whether one regression line is the optimal fitted function.
(12) Thyroid scintigraphy was performed in 69 consecutive infants with permanent primary congenital hypothyroidism (CH) detected by systematic neonatal thyroid screening using a rectilinear scanner or a gamma camera 15 minutes after the intravenous injection of 250 microCi Tc-99m sodium pertechnetate, immediately after the infants were fed.
(13) This program was added to the software of a GE 8800 CT scanner to perform the following operations: millimetre precise calculation and display of the rectilinear coordinates of a target identified on axial CT images; preplotting of phantom target trajectories on the CT images or electronic radiographs; calculation of probe angles required to achieve various trajectories; display of a coordinate scale on each CT image to allow direct target determination without mathematical calculations; calculation of the intercommissural plane for functional neurosurgery.
(14) Calibration graphs for 1 and 2 were rectilinear for 0.06-0.32 micrograms and 0.12-0.32 micrograms respectively.
(15) and each cell type number or percentage is rectilinear.
(16) The first consists of patches of particles closely spaced in rectilinear arrays.
(17) Non-junctional intramembranous particle arrays in the form of ridges, bracelets or rectilinear assemblies have been found by freeze-fracturing in the cytoplasmic half or P face of the plasma membrane in a variety of arthropod tissues.
(18) In 1506, Pope Julius had the old, rectilinear St Peter’s pulled down and a new one built that would be all curves, with its famous colonnade embracing the round world.
(19) These 1117 cells were classified into four functional classes of neurones: (a) visually unresponsive cells, (b) non-specific cells which were sensitive to spots or slits of light moving in any direction, (c) immature cells which were preferentially activated by a rectilinear stimulus but unselective regarding its precise orientation and (d) specific cells that appeared to be as selective for orientation as the simple or complex cells in the adult cat.
(20) The relationship between the rate of work and energy expenditure was rectilinear within the present range of values.