(n.) A solid figure inclosed or bounded by four triangles.
Example Sentences:
(1) In order to increase understanding of the control of inositol-1,3,4-trisphosphate kinase activity, the enzyme was highly purified from rat liver by precipitation with polyethylene glycol, MonoQ ion-exchange chromatography, heparin-agarose affinity chromatography, and a novel affinity chromatography procedure that utilized Affi-Gel resin to which InsP6 was coupled (Marecek, J.F., and Prestwich, G.D. (1991) Tetrahedron Lett.
(2) The folding of murine interleukin-1 beta is similar to that found for the human variant, consisting of 12 beta strands wrapped around a core of hydrophobic side chains in a tetrahedron-like fashion.
(3) The anion [Cd(DiMeDMSA)2]2- is essentially a distorted tetrahedron, with a mononuclear CdS4 kernel.
(4) If you're a researcher in any academic discipline, your reputation and career prospects are largely determined by your publications in journals of mind-bending specialisation – like Tetrahedron , a journal specialising in organic chemistry and published by the Dutch company Elsevier.
(5) Six shapes (ring, tetrahedron, cloverleaf, disk, string, and pellet) were screened in vivo for their gastric retention potential.
(6) 124, 107-115; Lowe (1976) Tetrahedron 32, 291-302] were based on assumed models that are not consistent with the X-ray-diffraction data for papain inhibited by alkylation of Cys-25 with N-benzyloxycarbonyl-Phe-Ala-chloromethane [Drenth, Kalk & Swen (1976) Biochemistry 15, 3731-3738].
(7) Reporting a set of bile samples on the tetrahedron of concentrations, a clear separation emerged between the control bile, the bile from patients with gallstones, and the bile of subjects with gallbladder dyskinesia.
(8) [1975), Tetrahedron Lett., 25, 2065-2068) and MAOP was synthesized by acetoxylation of MOP with lead tetraacetate.
(9) We have examined the mechanism of action of two natural products identified as broad spectrum antifungal agents (VanMiddlesworth, F., Dufresne, C., Wincott, F. E., Mosley, R. T., and Wilson, K. E. (1992) Tetrahedron Lett., in press; VanMiddlesworth, F., Giacobbe, R. A., Lopez, M. Garrity, G., Bland, J.
(10) Using an in vitro system of bubbles in water or gelatin, it was found that the ring-down artifact originated from the center of a cluster of four bubbles (bubble tetrahedron), three on top and one nestled beneath.
(11) The catalase molecule consists of four subunits whose centers from a fairly flattened tetrahedron.
(12) The observation of occasional triangular and dual-intensity projections and the interconversion of all three projection forms in tilting studies indicates that this tetrameric enzyme has a structure very similar to the tetrahedron-like configuration previously proposed for pyruvate carboxylases from vertebrate sources [Mayer, F., Wallace, J. C. and Keech, D. B.
(13) RV volume was calculated from the polyhedron created by the markers by decomposing the polyhedron into 24 tetrahedrons, each of whose volumes could be solved from the xyz-coordinates of markers.
(14) (1990, Tetrahedron 46, 2255) as an inhibitor of human leucocyte elastase (HLE) displayed potent, time-dependent inhibition of both HLE and human cathepsin G (Cat-G).
(15) The figure of tetrahedron is formed in certain species of Plectus and in Tobrilus gracilis at the stage of 4 blastomeres rather than a rhombus which is formed in most highly organized nematodes.
(16) A tetrahedronal symmetry is exploited, with two skewed plastic scintillator bars spanning a large sensitive volume.
(17) The tetrahedrons (each leg 2 cm in length) exhibited 91-100% retention at 24 hr.
(18) Altogether, the in vitro binding constant of seven molecules were used to deduce the geometry and the energetics of a possible site model consisting of five regions: one tetrahedron-shaped finite central hydrophobic pocket, one infinite region representing access to the solvent, and three strongly repulsive regions representing the sterically forbidden walls of the pocket.
(19) Phaseolin converts to an 18 S tetramer at acid pH, and images recorded under these conditions suggest that four of the 7 S protomer discs associate to form the faces of a regular tetrahedron.
(20) The volumes defined by four beads (a tetrahedron) at end diastole showed increases in myocardial mass of 20-27% after 3.6 (mean) weeks of hypertrophy and were uniform across the wall of the left ventricle.
Triangle
Definition:
(n.) A figure bounded by three lines, and containing three angles.
(n.) An instrument of percussion, usually made of a rod of steel, bent into the form of a triangle, open at one angle, and sounded by being struck with a small metallic rod.
(n.) A draughtsman's square in the form of a right-angled triangle.
(n.) A kind of frame formed of three poles stuck in the ground and united at the top, to which soldiers were bound when undergoing corporal punishment, -- now disused.
(n.) A small constellation situated between Aries and Andromeda.
(n.) A small constellation near the South Pole, containing three bright stars.
Example Sentences:
(1) Subcortical leukomalacia occurs in this triangle as well as in border zones between the major cerebral arteries.
(2) Compression can occur on various anatomic levels: interscalene triangle, costoclavicular passage, pectoralis minor tendon.
(3) Electron micrographs of negatively stained hexamers show a characteristic curvilinear, equilateral triangle of 12 nm in diameter (top view) and a rectangle measuring 10 x 12 nm (side view).
(4) This flap is formed by a triangle-shaped excision combined with cranial and caudal slitting of the periosteum.
(5) End-on views of G on virus clearly showed triangles consisting of three dots indicating the trimeric nature of native G. End-on views of CHAPS-isolated G showed very similar triangles confirming that, using this detergent, G was solubilized in its native trimeric structure.
(6) Defensively excellent, Sampson’s players persistently forced their opponents to construct their passing triangles down a series of cul-de-sacs and blind alleys.
(7) A small square and a large triangle below it were presented in the first frame.
(8) The spinal nerve is essentially damaged at two sites: the supraclavicular fossa (where the nerve is very superficial) and in the antero-lateral triangle of the neck (where the nerve approaches the sterno-cleido-mastoid muscle).
(9) A three-dimensional configuration of the temporomandibular joint was constructed by 108 triangles for the condyle and 180 triangles for the glenoid fossa.
(10) Its principle consists in repairing the tissue defect resulting from the excision of the lower lip by the additional surgical removal of one or two soft tissue triangles from the region of the nasolabial fold and in achieving primarily, by means of horizontal relieving incisions at the base of the lip defect, an extension of the mouth aperture.
(11) On the opposite side there are obviously a few people who are full of a lot of hatred.” Jake Johnstone, who was was wearing the pink triangle of the 1980s Act Up movement, said: “Obviously we had the Paris attacks and everyone was shocked by it, but because Orlando was an attack on the LGBT community it feels very personal and a lot of people feel deeply affected by it.
(12) A technique of thoracotomy via the triangle of auscultation is described.
(13) The topographic anatomy of the submandibular triangle and its contents are described in terms of four surgical planes, with considerations of the anatomic complications during surgery.
(14) The minor anatomic triangles of the neck are outlined, with appropriate direct external vessel ligation.
(15) Ward's triangle was the most sensitive area to bone mineral density changes in patients receiving prednisone, with a highly significant intergroup difference (p < 0.01).
(16) Bone mineral content (BMC) of the lumbar spine (L2-L4), femoral neck, Ward's triangle and the trochanteric region was measured in 52 consecutive patients on maintenance haemodialysis.
(17) Prevention of this obstructive type of apnea would depend on the recognition of infants showing inspiratory and expiratory changes in pharyngeal airway size as can be seen externally by the movements in the carotid triangle of the neck and confirmed by roentgenography or cinematoradiography.
(18) Microtubules capable of binding a xamimum of 4 linkers are arranged in regularly distorted hexagons and equilateral triangles.
(19) Twelve homosexual patients with Kaposi's sarcoma associated with the acquired immune deficiency syndrome (AIDS) were treated with a preparation of purified human lymphoblastoid interferon (Wellferon [Burroughs Wellcome, Research Triangle Park, NC]).
(20) The "dangerous zones" are situated at the base of the right-side surface of the interatrial septum above the fibrous ring of the septal cusp of the tricuspid valve, along the base of the membranous segment of the interventricular septum, in front of the posterior fibrous triangle, and at the fibrous ring encircling the bases of the posterior and right aortic semilunar valves.