(n.) A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; -- sometimes restricted in popular usage to a rectangle, or quadrilateral figure which is longer than it is broad, and with right angles.
Example Sentences:
(1) Second, although the parallelogram model provides a slightly better fit of our data than the other two shapes, it does not serve as a better guide than the ellipsoidal model for interpolating from the measurements to thresholds in novel color directions.
(2) A new calcium quantification technique that uses a parallelogram was developed to eliminate the problem of nodule superimposition over ribs.
(3) The parallelogram approach is based on the principle that estimates can be obtained on the amount of genetic damage that cannot always be assessed directly.
(4) Analysis of these responses provides weak but consistent evidence for the elicitation of depth in the Sander parallelogram, Mueller-Lyer, Zoellner, and Ehrenfels variant of the Ponzo illusion.
(5) When added to suspensions of membrane crystals of the channel, the polyanion caused disordering of the usual parallelogram array and increased occurrence of a contracted form of the array.
(6) Inspired by the parallelogram suspension utilized in the larger Huxley-style micromanipulator (A. F. Huxley.
(7) This can be illustrated by parallelograms of forces.
(8) Partially reassociated mixtures show dimers of the subunit that have a characteristic parallelogram shape when lying flat on the electron microscope grid, and a "boat" form in side view.
(9) Each group was classified in a parallelogram without overlapping, except for a part of the imidazole and thiol groups.
(10) Pigeons learned to peck a green key on which parallelogram-shapes were projected; they then received generalization tests in which the orientation of the parallelogram was varied.
(11) We evaluate how well three different parametric shapes, ellipsoids, rectangles, and parallelograms, serve as models of three-dimensional detection contours.
(12) Nondifferential training produced very little eventual stimulus control along the orientation dimension, but when training included S- trials (absence of the parallelogram) subjects responded consistently more to certain orientations than to others.
(13) Approximately, the dimer belongs to point group Ci with the centre of inversion at the centre of La2O2 parallelogram.
(14) This result was confirmed by varying element size and spacing, and by using oblique crosses rather than parallelograms as stimuli.
(15) The monomeric unit can be divided into a glycan chain piece, a connecting peptide, and a peptide chain piece, which define a solid parallelogram.
(16) A parallelogram approach can be used to estimate effects in non-accessible human tissues by using data from accessible human tissues and analogous tissues in animals.
(17) The zebrafish sperm plasma membrane, treated with freeze-fracture techniques, is seen to contain a multitude of intramembranous particles that, in a specific region of the posterior part of the sperm head, are organized into unusual particle arrays that appear as simple hexagons or parallelograms.
(18) Joystick-controlled rho-pixel arrays have been implemented with parallelogram-shaped rho-pixels incorporated as a simplified case of quadrilateral projection.
(19) Aside from conceptual difficulties with the task for both non-musicians and composers, choices for both groups provide support for the parallelogram model indicating a capacity in listeners to perceive abstract relations among the timbres of complex sounds without specific training in such a task.
(20) Such reports were made in the presence or absence of various types of visual, geometric surrounds (squares, triangles, crosses, or parallelograms).
Rhomboid
Definition:
(n.) An oblique-angled parallelogram like a rhomb, but having only the opposite sides equal, the length and with being different.
(a.) Same as Rhomboidal.
Example Sentences:
(1) Direct projections from the nucleus reuniens (Re) and the rhomboid nucleus (Rh) in the midline of the thalamus were examined in the rat by utilizing anterograde axonal transport of Phaseolus vulgaris leukoagglutinin (PHA-L).
(2) A case of median rhomboid glossitis associated with amyloid deposition was presented.
(3) Thus, we have recognized a central core in the anterodorsal area; oval, juxtacapsular, and rhomboid nuclei in the anterolateral area; and fusiform, dorsomedial, dorsolateral, magnocellular, and ventral nuclei in the anteroventral area.
(4) While the arteries show a long stretched spinle or lancet like form they change over blunt, oval, triangular or rhomboid forms into polygonal cells with spiked border lines at the venules.
(5) Two modifications to the classic design of the rhomboid flap are described.
(6) Within the thalamus, only galanin-immunoreactive fibers were seen within the midline paraventricular, reuniens, and rhomboid nuclei.
(7) The transfer of the levator scapulae associated, or not, with the rhomboid minor allows regression of functional signs and a return to normal function of the shoulder.
(8) No pathways were demonstrated from the medial line nuclei (paraventricular, interanteromedial, rhomboid, central medial and reunial), from intralaminar nuclei (central lateral, paracentral and parafascicular) and from the lateral part of the thalamic medio-dorsal nucleus to the amygdala.
(9) Qualitative observations showed that the general configuration of the trabecular meshwork changed gradually with age, from a long wedge shape to a shorter, more rhomboidal form.
(10) To investigate the possible rôle of Candida in median rhomboid glossitis, the presence of Candida was looked for both in the foramen cecum area and the lateral borders of 100 human cadaver tongues.
(11) Calretinin cells were most prominent in the midline (paraventricular, reuniens, rhomboid) and intralaminar (central medial, paracentral) nuclei and in a group of cells along the rostral central gray which appeared continuous with the caudal extent of the midline nuclei.
(12) A series of twenty-eight cases of median rhomboid glossitis were studied histologically.
(13) Among the most densely innervated nuclei are the parafascicular, paraventricular, rhomboid, central medial and parts of mediodorsal, lateral posterior, and ventral lateral geniculate.
(14) The Limberg (rhomboid) flap is a very reliable surgical method in which the donor site and the associated tension in tissue lie outside the weight-carrying areas; the donor site lies in the perineal area, which is never used for other flaps.
(15) Median rhomboid glossitis is an inflammatory lesion of the tongue, now believed to be secondary to candidiasis.
(16) A red-violet, rhomboid-shaped mark on the sacrum of 25 children is described.
(17) We have examined the role of rhomboid in eye development and find that, while mutant clones have only a subtle phenotype, ectopic expression of the gene causes the non-neuronal mystery cells to be transformed into photoreceptors.
(18) The densities are paired on the adjacent septal membranes, and most frequently are shown by optical diffraction to be arranged on the membrane surfaces in hexagonal or rhomboidal lattices with a centre-to-centre spacing of 34.8 nm.
(19) We document a case of median rhomboid glossitis with heavy colonisation by Actinomyces in a 60-year-old male.
(20) Small ovoid glomerular cells are morphologically and biochemically intermediate between circular glomerular cells and rhomboid glomerular cells, and may represent an in vitro modification of either circular glomerular cells or rhomboid glomerular cells.