(n.) A hollow cut in anything; a nick; an indentation.
(n.) A narrow passage between two elevation; a deep, close pass; a defile; as, the notch of a mountain.
(v. t.) To cut or make notches in ; to indent; also, to score by notches; as, to notch a stick.
(v. t.) To fit the notch of (an arrow) to the string.
Example Sentences:
(1) The Notch locus in Drosophila encodes a transmembrane protein required for the determination of cell fate in ectodermal cells.
(2) Recent reports have indicated the usefulness of nuclear grooves (clefts or notches) as an additional criterion for the diagnosis of papillary thyroid carcinoma in fine needle aspirates; most of these studies were carried out on alcohol-fixed material stained with the Papanicolaou stain or with hematoxylin and eosin, which yield good nuclear details.
(3) For histometric evaluation, the radicular notches were used as reference points.
(4) Conversely, in 66 of 80 pregnancies the absence of a notch was associated with the livebirth of an infant beyond 32 weeks gestation, with a birthweight above the 5th centile.
(5) The left subclavian artery was prominent in 33 cases, signs indicating a collateral circulation (rib notching, internal mammary artery) were present in 26 cases.
(6) Notched tympanograms were typical of neonatal ears for a 220-Hz probe tone.
(7) Radiographic manifestations include endosteal sclerosis of the neurocranium with loss of the diploë, osteosclerosis and hyperostosis of the mandible with absence of the normal antegonial notches, endosteal sclerosis of the diaphyses of long bones (including metacarpals and metatarsals), and osteosclerosis of the pelvis.
(8) For the experimental studies, fractures of the jaw bone in terms of oblique osteotomies from angle to sigmoid notch of the mandible of the Malaysian monkeys were made by using #700 fissure bur and reduced and fixed them in terms of interosseous wiring.
(9) Lymphadenopathies were classified by the criteria proposed by Yoshinaka et al., type I: poorly-defined borders, diffuse internal echoes; type II: well-defined borders, diffuse internal echoes; type III: well-defined borders, notchings, strong internal echoes.
(10) Here, we examine a group of six recessive mutations, the facets (fa, fa3, fag, fag-2, fafx and fasw), which affect eye and optic lobe morphology and have been previously shown to be associated with the insertion of transposable elements into an intronic region of Notch.
(11) Another frequent finding was partial or total obstruction at the tentorial notch, often in combination with reduced or absent activity along the superior sagittal sinus.
(12) In one patient, the fibrous band extended from the distal pole of the patella to the intracondylar notch, tethering the patella inferiorly.
(13) This thin flap, usually extending from the hyoid bone to the sternal notch at the central part of the anterior neck, provides a skin island of about 4 by 8 cm.
(14) The chest roentgenographic findings in Takayasu's arteritis include widening of the ascending aorta, contour irregularities of the descending aorta, arotic calcifications, pulmonary arterial changes, rib notching, and hilar lymphadenopathy.
(15) In two cases the epidermoid, located mainly in the cerebello-pontine angle, spread into the middle cranial fossa; in three the epidermoid extended from the parasellar cisterns to the posterior cranial fossa; in six patients the epidermoid, enlarging the tentorial notch, occupied extensively both cranial fossae.
(16) This post-transcriptional regulation is suppressed in embryos mutant for the genes Notch and Delta; where all cells expressing RNA accumulate protein.
(17) The femoral intercondylar notch width was measured in 93 patients with chronic anterior cruciate ligament (ACL) insufficiency (Group 1), in 62 patients with an acute tear of the ACL (Group 2), and in 38 fresh anatomic specimen knees (Group 3).
(18) Deep notch cases had more retrusive mandibles with a shorter corpus, smaller ramus height, and a greater gonial angle than did shallow notch cases.
(19) The acicular alpha structure has been shown to exhibit the best fatigue properties for Ti-6A1-4V alloy in the notched condition.
(20) The anatomical relations of the semilunar notch of the ulna were studied in radiographs, taken in a strict lateral view, from 100 patients with elbow dislocations.
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.