(a.) Having four sides, and consequently four angles; quadrangular.
(n.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
(n.) An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano.
Example Sentences:
(1) In 33 patients an external quadrilateral frame system was applied primarily, and in the remaining nine within 1-2 weeks.
(2) Attempts have been made to avoid the fallacies with the introduction of quadrilateral and Wits analyses.
(3) The purpose of this case report is to 1) briefly describe the traditional above-knee (AK) quadrilateral socket, 2) describe the contoured adducted trochanteric-controlled alignment method (CAT-CAM) socket, 3) describe the management of a patient with a temporary CAT-CAM prosthesis, and 4) explain how the CAT-CAM prosthesis approach has resolved a medically complex clinical problem.
(4) Moreover, the impression has been created that they are not governed by the basic biomechanical rules identified by Radcliffe as affecting the quadrilateral socket.
(5) Axisymmetric 8-node quadrilateral element for arbitrary loading was used for the analysis.
(6) Successful ligation experiments include the oligomerization of individual three-arm and four-arm junctions, the assembly of a quadrilateral from four junctions with different sticky ends, and the recent construction of a molecule with the connectivity of a cube.
(7) This paper applies the more abstract and inclusive concept of "embodiment" from the phenomenological movement in philosophy to the life history of a 35-year-old American woman born with quadrilateral limb deficiencies.
(8) On Tuesday the finance ministers of Scotland, Wales and Northern Ireland branded quadrilateral Brexit talks with the chief secretary to the Treasury, David Gauke, as disappointing, accusing him of failing to provide enough information on how exiting the EU would affect their nations.
(9) Craniofacial structure was described with DiPaolo's quadrilateral measures.
(10) Analysis showed that a pair of parallel sides of a quadrilateral were viewed as parallel to the viewer's forehead when the sides were horizontal in the image plane and were seen as slanting in depth if they were slanted in the image plane.
(11) Septal deformity is of two kinds, which may occur independently, or together: 1) anterior cartilage deformity of the quadrilateral septal cartilage, caused by direct trauma or pressure at any age; and 2) combined septal deformity involving all the septal components, caused by compression across the maxilla from pressures occurring during pregnancy or parturition.
(12) In this patient, entrapment of the axillary nerve by fibrous bands in the quadrilateral space caused shoulder pain with paresthesias in the upper extremity.
(13) An axisymmetric element of quadrilateral cross-section is developed and applied to the mechanical test problem of a cylindrical specimen of soft tissue in unconfined compression.
(14) The primary treatment was conservative with cast immobilization in 86 patients, external fixation by a quadrilateral system in 14, and open reduction and internal fixation in four.
(15) The two danger zones are the zygomatic arch which is crossed by the frontal nerve trunk and a quadrilateral area between the hairline and the tail of the eyebrow and a vertical line 1.5 cm lateral to the lateral canthus of the eye.
(16) In healthy children younger than 5 years of age, the thymus had a quadrilateral shape and biconvex lateral contours.
(17) Five, rehabilitated, unilateral above-knee amputees (average age, 34.4 years) using quadrilateral sockets were converted to Contoured Adducted Trochanteric-Controlled Alignment Method (CAT-CAM) sockets to determine the effect on ambulatory function.
(18) The quadrilateral did not appear to be rectangular when viewed in peripheral vision even though the rectangular viewing condition was used.
(19) We consider the CAT-CAM prosthesis an improvement over the quadrilateral socket for increasing ambulation independence in the individual with AK amputation and other medical complications.
(20) He also criticised the UK for not showing more imagination Updated at 11.36am GMT 11.12am GMT The leaders of Sweden , Finland , the Netherlands and Denmark have been holding talks ( a quadrilateral-meeting? )
Trapezoid
Definition:
(n.) A plane four-sided figure, having two sides parallel to each other.
(n.) A bone of the carpus at the base of the second metacarpal, or index finger.
(a.) Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle.
(a.) Of or pertaining to the trapezoid ligament; as, the trapezoid line.
Example Sentences:
(1) Proenkephalin A-related immunoreactive neuronal perikarya were detected in the central gray, reticular formation, nucleus raphes, trapezoid body, nucleus parabrachialis lateralis and medialis, nucleus spinalis nervi trigemini, nucleus dorsalis nervi vagi, and in the nucleus tractus solitarii.
(2) From the tissue distribution of 800 microCi MAb E48, the absorbed cumulative radiation doses of tumour and various organs were calculated using the trapezoid integration method for the area under the curve.
(3) The responses of afferents were further studied using sinusoidal and trapezoidal stimuli aligned as closely as possible with the orientation of their response vector.
(4) The trapezoidal shape of the vertebrae and scarring of the soft tissues within the concavity made correction difficult.
(5) From plasma drug concentration-time data, best estimates for the bioavailability parameters of peak plasma phenobarbital concentration (Cmax) and time to peak concentration (tmax) were obtained by curve fitting and area under the plasma drug concentration-time curve (AUC) computed with the trapezoid rule.
(6) At low pH, it is theorized that the trapezoidal profile of the dimer is shifted to a more rectangular configuration such that flat ribbons are formed by the lateral association of dimers.
(7) DYN B cell bodies were present in nonpyramidal cells of neo- and allocortices, medium-sized cells of the caudate-putamen, nucleus accumbens, lateral part of the central nucleus of the amygdala, bed nucleus of the stria terminalis, preoptic area, and in sectors of nearly every hypothalamic nucleus and area, medial pretectal area, and nucleus of the optic tract, periaqueductal gray, raphe nuclei, cuneiform nucleus, sagulum, retrorubral nucleus, peripeduncular nucleus, lateral terminal nucleus, pedunculopontine nucleus, mesencephalic trigeminal nucleus, parabigeminal nucleus, dorsal nucleus of the lateral lemniscus, lateral superior olivary nucleus, superior paraolivary nucleus, medial superior olivary nucleus, ventral nucleus of the trapezoid body, lateral dorsal tegmental nucleus, accessory trigeminal nucleus, solitary nucleus, nucleus ambiguus, paratrigeminal nucleus, area postrema, lateral reticular nucleus, and ventrolateral region of the reticular formation.
(8) Degenerative changes in the scapho-trapezial-trapezoidal (ST) joint may occur as an isolated process or more frequently as a dominant part of pantrapezial degenerative joint affections.
(9) The majority of units were recorded in the ventral component of the trapezoid body.
(10) They can be summarized as: mesial shifting of the maxilla, dimensional increase of the mandibular body, ovoidal upper arch with a deeper palatal vault, tapering or trapezoidal lower arch.
(11) The AUC-integrated concentration was significantly higher than the AUC-trapezoid.
(12) Principal cells in the medial nucleus of the trapezoid body (MNTB) are believed to be critical components in the circuit subserving sound localization.
(13) The lowest threshold values for current strength, energy and charge were observed when defibrillating the heart by means of rectangular impulses and especially by trapezoidal impulses with ascending slope.
(14) That means that rectangular or trapezoidal impulses with an ascending slope may be most conveniently used for cardiac defibrillation.
(15) Two femoral neck fractures ten years following Trapezoidal-28 THA have recently been referred to our clinic.
(16) Therefore, the velocity profile is "trapezoidal" rather than parabolic at all times during the pulsation period.
(17) Trapezoidal and triangular gradient lobe shapes are analyzed.
(18) The authors report a case of posterior dislocation of the trapezoid bone together with the second metacarpal.
(19) The wrist motion remaining after simulated arthrodeses was as follows: capitate-hamate: flexion (Flx) 98%, extension (Ext) 92%, ulnar deviation (UD) 96%, radial deviation (RD) 90%; scaphoid-lunate: Flx 97%, Ext 91%, UD 90%, RD 91%; scaphoid-trapezium-trapezoid: Flx 86%, Ext 88%, UD 67%, RD 69%; scaphoid-lunate-triquetrum: Flx 91%, Ext 82%, UD 86%, RD 70%; capitate-lunate: Flx 70%, Ext 59%, UD 89%, RD 79%; capitate-hamate-triquetrum: Flx 88%, Ext 79%, UD 88%, RD 81%; hamate-triquetrum: Flx 90%, Ext 85%, UD 89%, RD 94%; scaphoid-trapezium-trapezoid-capitate: Flx 85%, Ext 77%, UD 64%, RD 57%.
(20) The trapezoid compression frame is recommended as an alternative to conventional methods of treating unstable fractures and dislocations of the pelvic girdle.