(n.) A sharp appendage to any of a plant; a thorn.
(n.) A rigid and sharp projection upon any part of an animal.
(n.) One of the rigid and undivided fin rays of a fish.
(n.) The backbone, or spinal column, of an animal; -- so called from the projecting processes upon the vertebrae.
(n.) Anything resembling the spine or backbone; a ridge.
Example Sentences:
(1) Univariate and multivariate analyses indicated previous LBP or back pain in another location of the spine were strongly associated with LBP during the study year.
(2) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
(3) We reviewed the results of intraoperative monitoring of short-latency cortical evoked potentials in 81 patients who underwent surgical procedures of the cervical spine.
(4) Unrecognized flexion injuries of the cervical spine may lead to late instability and neurologic damage.
(5) The present case indicates that the possibility of osseous spines impinging on the facial nerve should be considered in all cases of facial spasm.
(6) The results of conventional sciatic nerve stretching tests are usually evaluated regardless of patient age, gender or movements of the hip joint and spine.
(7) The correlation of posterior intervertebral (facet) joint tropism (asymmetry), degenerative facet disease, and intervertebral disc disease was reviewed in a retrospective study of magnetic resonance images of the lumbar spine from 100 patients with complaints of low back pain and sciatica.
(8) Lumbosacral spine films revealed only minimal degenerative changes, while lumbar myelogram showed L4-L5 and L5-S1 ventral extradural defects.
(9) This paper presents a comparison of the diagnostic value of CT studies and conventional radiological diagnosis, based on 46 CT studies, in patients with inflammatory bone lesions of the spine (n = 20) before and after surgical interventions (n = 12).
(10) Specimens from the bone marrow taken were by trephine biopsy from the sternum, ala ossis ilii and spine.
(11) Quite the contrary, in cases of higher nervous activity disturbances, destruction of the organelles and desintegration of spine apparatuses is clearly pronounced.
(12) The left scapula in each dog was treated by open reduction and plating of the scapular spine.
(13) In general, the cerebellum showed a much delayed developmental pattern with regard to Purkinje cell spine formation.
(14) The effects exerted on the cervical spine by a traction of 150 N was studied by means of an improved radiographic technique.
(15) In the perineuronal neuropil of large pyramidal neurons (layers V-VI) there appear symmetric synapses with pyramidal cells, dendritic processes and dendritic spines.
(16) For conservative treatment of injuries of the cervical spine, two different methods are available: The HALO fixator and the collar.
(17) Whereas in flexion stress all methods showed a sufficient stability, the rotation tests proved, that in case of a dorsal instability of the lower cervical spine, posterior interlaminar wiring or anterior plate stabilization showed no reliable stabilization effect.
(18) Recommendations are made suggesting closer scrutiny of this region of the spine.
(19) Differentiation from synovial or ganglion cysts of the spine is discussed.
(20) To avoid the complications attributable to the cervical spine, we recommend roentgenographic examination in all neurofibromatosis patients who are about to have general anesthesia or skull traction for treatment of scoliosis.
Spline
Definition:
(n.) A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece.
(n.) A long, flexble piece of wood sometimes used as a ruler.
Example Sentences:
(1) This paper addresses the latter assumption by applying a direct and flexible approach, cubic spline functions, to two widely used models: the logistic regression model for binary responses and the Cox proportional hazards regression model for survival time data.
(2) After filament images were straightened by spline-fitting, several transforms showed well-defined layer-lines arising from the helical structure of the filament.
(3) We have compared three interpolation methods (surface splines, spherical splines and tridimensional interpolation functions).
(4) The smoothing B-spline function was applied to 3, 10, 25, 50, 75, 90, and 97 percentile TW2 RUS, carpal and 20-bone scores.
(5) The four parameter logistic method, which is based on an approximation of the mass action law, performed better than the Spline method, a procedure which makes no a priori assumptions about the data.
(6) The first and second derivatives of progress curves are obtained from the cubic spline function.
(7) To improve the qualitative and quantitative analysis of surfaces of protein, two new methods are proposed: one that smoothes the MS surface of Connolly with B-spline smoothing functions to highlight the significant features of the surface, and one that computes the density of surface neighborhood to allow quantitative comparison.
(8) In the model, patellofemoral joint profiles projected on a horizontal plane have been expressed as spline functions.
(9) It was demonstrated that by using a least-squares surface-fitting technique, the SPG data on the surface can accurately be described by a single parametric biquintic spline function.
(10) Approximating the signal with a linear combination of cubic B-splines with equally spaced knots, according to the linear least-squares criterion gives the desired data reduction and an elegant way to perform an automatic analysis.
(11) The practical implementation of a rapid Catmull-Rom (cardinal) spline is described, and its advantages with respect to speed and ease of use are discussed.
(12) One of these is the procedure known as one of the best automatic smoothing and differentiating techniques: generalised cross validatory spline smoothing and differentiation (GCVC).
(13) Splines, were invented nearly 30 years ago and have been shown to have desirable properties.
(14) The spline technique is superior in accuracy to sampling at eight-times the Nyquist rate and is comparable to a Fourier-transform-based interpolation algorithm.
(15) Lines representing linear regression, log-linear regression or quadratic regression were inferior to those described by linear splines.
(16) Although spline functions are by no means unknown to demographers, no simple and direct explanation of their application exists.
(17) The spline technique was used to analyse these data as continuous variables, and showed that the 'super-obese' group of families was too small to be of any practical importance.
(18) Using penalized likelihood the three curves can be fitted as cubic splines by non-linear regression, and the extent of smoothing required can be expressed in terms of smoothing parameters or equivalent degrees of freedom.
(19) In general, the bilinear and bicubic spline methods of interpolation perform about equally.
(20) The folding pathway is defined by piecewise B-spline curves and the atoms are initially positioned with respect to the local Frenet trihedra determined by the equations of the curves.