(n.) A triangular protection from the intrados of an arch, or from an inner curve of tracery.
(n.) The beginning or first entrance of any house in the calculations of nativities, etc.
(n.) The point or horn of the crescent moon or other crescent-shaped luminary.
(n.) A multiple point of a curve at which two or more branches of the curve have a common tangent.
(n.) A prominence or point, especially on the crown of a tooth.
(n.) A sharp and rigid point.
(v. t.) To furnish with a cusp or cusps.
Example Sentences:
(1) But at least one customer signalled that America's gun lobby might be on the cusp of a moment of introspection.
(2) Multiple determination of size, shape, and diameter of the left atrium were made during the control state and under conditions of varied ventricular outflow resistance in intact anesthetized dogs with markers chronically attached to the mitral annulus and the valve cusps.
(3) The edge of the valve leaflet and the other 2 cusps were intact.
(4) However, the height of the hypoconid, which was the highest in the lower molar cusps, showed almost the same mean value as the height of the upper three principal cusps, indicating that the height of the main functional cusp, in both upper and lower first molars, was almost the same.
(5) In lower second deciduous molars, the buccal margin of the cavity was positioned 1.7 mm medially to the summit of the distobuccal cusp and 1.2-1.3 mm medially to the summits of the other buccal cusps.
(6) A high origin of the right coronary artery or location of the left coronary artery adjacent to a pulmonary cusp or branch may complicate the tunnel-type repair.
(7) In the remainder a wide spectrum of abnormalities was found such as prolapse of the mitral valve (in 13.6%), bicuspid aortal valve with a medium regurgitation (4.5%), hypoplasia of the coronary cusp of the aortal valve (4.5%), dilatation of the ascending aorta with a residual significant stenosis at the site after operation of coarctation of the thoracic aorta (4.5%), subaortal defect of the interventricular septum (4.5%) and slight left ventricular hypertrophy in patients with arterial hypertension (9.1%).
(8) The ruptures and calcifications of the cusps were most commonly observed in commissure.
(9) The commonest cause of failure in young patients was calcification, while in older patients it was cusp rupture.
(10) The results indicate that the tongue-to-teeth contact area of each sound differ from the others, however, it's range is confined within cervical half of lingual surface of incisors and lingual cusps of molars.
(11) In the light of experience acquired in our Echocardiography Laboratory, we recommend, in accordance with data from the literature, the exclusive use of pulsed Doppler and measurement of valve orifices by two-dimensional imaging at the point of insertion of the aortic and sigmoid cusps as well as at the mitral ring.
(12) In 9 of 21 rats a fair or good result was observed, although it did not seem possible to create a fully competent valve with only one cusp blade in the 1.5-mm-diam caval veins.
(13) He underwent single cusp replacement in January 1967.
(14) Then the graft was cut longitudinally on the side of the non-coronary cusp so as to make operative procedure easier.
(15) Destruction of the cusps was seen in three cases and calcification of the cusps developed in three cases.
(16) In a small number of cases, the amount and type of cuspal movement and the degree of dye penetration was variable, depending on cavity design and the composite used, but generally cusp movement was unaffected by variation in cavity outline.
(17) Cardiac ultrasonography demonstrated multiple, central diastolic aortic valve cusp echoes consistent with a thickened, calcified, tricuspid aortic valve.
(18) In conclusion, transesophageal echocardiography and color flow Doppler are superior to transthoracic imaging in estimating bioprosthetic mitral, but not aortic regurgitation, in differentiating valvular from paravalvular regurgitation, and in demonstrating thickened valves due to cusp degeneration.
(19) The valve was composed of 4 cusps of different size and shape.
(20) In conclusion, TAV occurred more frequently at the noncoronary cusp than at the right or left coronary cusp.
Molar
Definition:
(a.) Of or pertaining to a mass of matter; -- said of the properties or motions of masses, as distinguished from those of molecules or atoms.
(a.) Having power to grind; grinding; as, the molar teeth; also, of or pertaining to the molar teeth.
(n.) Any one of the teeth back of the incisors and canines. The molar which replace the deciduous or milk teeth are designated as premolars, and those which are not preceded by deciduous teeth are sometimes called true molars. See Tooth.
Example Sentences:
(1) The effect of S-adenosylhomocysteine on DNA methylation was examined, and it was found at equal molar concentrations of S-adenosylhomocysteine to to S-adenosylmethionine that DNA methylation was competitively inhibited 50%.
(2) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
(3) Of the sampled population, 6.3 per cent exhibited some degree of hypodontia (third molar agenesis excluded).
(4) To understand the reason for the opposite effect of the molar ratio observed at the middle of and at four residues away from the lysine-rich sequence, actual cross-linked residue(s) was (were) determined by subjecting cross-linked product to a protein sequencer.
(5) This article presents the case of bilateral absent maxillary permanent molars with severe oligodontia and no other abnormalities.
(6) The molar refractivity has been shown to be a superior parameter for the description of the activity of sulphonamides than the sum of electronegativities of atoms making up a heterocyclic substituent in the sulphonamide molecule and molecular weight of the substituent.
(7) In terms of segmental motion and anisotropy of packing the lipoprotein-X bilayer closely resembles a model bilayer system consisting of phosphatidylcholine, lysophosphatidylcholine, sphingomyelin and cholesterol mixed in the same molar ratio as in lipoprotein-X.
(8) The effect develops within approximately 2 hours and does not depend on EDTA concentration provided the complexon is in a molar excess over the enzyme.
(9) This differential absorbance is linear with increasing concentrations of Na2MoO4 and was used to calculate the molar extinction coefficient of molybdochelin at 425 nm (epsilon similar to 6,200).
(10) Following a baseline examination, the furcation-involved molars were randomly assigned in each patient to either a test or a control treatment procedure.
(11) Three brands of glass ionomer were applied to prepared dentin surfaces of extracted human molars, after one of four treatments with polyacrylic acid.
(12) The oxygen-free radical scavengers thiourea, mannitol and catalase prevented toxicity mediated by ferrous ammoniumsulphate but not by ferrous ascorbate (molar ratio of 1:20).
(13) Both agents produced similar significant increases in the cholesterol ester content and cholesterol-to-phospholipid molar ratio of the membranes.
(14) Changes in third molar angulation from pretreatment to posttreatment for the two groups were compared for statistical differences using a Student's t-test.
(15) The Authors analyze the force system delivered on the molar and on the anchorage unit.
(16) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
(17) Both types of cells took up linoleic (18:2(n-6)) and linolenic (18:3(n-3)) fatty acids at the same rate when they were added complexed either to albumin or AFP at a 1:1 molar ratio.
(18) Owing to its broad spectrum of action (covering both gram-positive and gram-negative microorganisms and anaerobes) and its consistently strong molar action, mezlocillin is well suited as a beta-lactam combination component for intensive care patients.
(19) These findings indicate that rGRF-LI is localized in the median eminence and arcuate nucleus in the rat and that rGRF-, SRIF-(1-28)-, and SRIF-(1-14)-LI are present in a 1:2.10:6.29 ratio on a molar basis.
(20) The development of the first molar was examined from the dental lamina stage through apposition.