(n.) A narrow opening resulting from a split or crack or the separation of a junction; a cleft; a fissure; a rent.
(v. t.) To crack; to flaw.
Example Sentences:
(1) Crevice corrosion propagation for gamma 2-free vs. gamma 2-containing amalgams was characterized by lower acceleration and maximum rates during the most dynamic period.
(2) Similarly, significant correlations were found between the individual tissue reaction scores and crevice corrosion scores from the 201 individual sites, again for all devices and for the asymptomatic and symptomatic removal groups.
(3) The objective of this study was to determine the in vitro corrosion products that resulted from crevice corrosion of low- and high-copper dental amalgams.
(4) The present study, along with that of the Ser82 variant protein (Louie et al., 1988b), clearly establishes the link between dielectric constant within the heme crevice and reduction potential.
(5) An iodine preparation removed 95% of accessible organisms, but about 20% of bacteria were protected by follicles, crevices, and lipids.
(6) The reaction of the Paracoccus oxidase with its own soluble cytochrome c550, which has a highly negative hemisphere on the side of the molecule away from the heme crevice, has different properties from those seen in its reaction with bovine cytochrome c. However the properties all change to be like those with bovine cytochrome c on addition of poly-L-lysine.
(7) Polymorphonuclear leukocytes (PMN) are predominant cells in the gingival crevice and saliva, and may play an important role in oral bacteria.
(8) By exploiting this bat's preference to roost in crevices, we could separately measure O2 uptake during ventilatory bouts and apneic periods using a flow-through metabolic chamber with a small dead space volume and short time constant.
(9) This implies that binding crevices for two chlorophylls and half of peridinins (four to five) are located at some distance from each other.
(10) The susceptibility of the 316 L CW austenitic stainless steel to pitting and relative resistance to crevice corrosion were measured by cyclic anodic polarization tests.
(11) Modification of lysines 8, 13, 25, 27, 72, 79, or 87 surrounding the heme crevice was found to significantly lower the rate of reaction, while modification of lysines in other regions had no effect.
(12) The introduction of an extra amino acid residue and of other changes in the crevice where the heme group is located is the likely cause of the instability of this hemoglobin variant.
(13) Since the pH of the gingival crevice increases from below neutrality in health to above pH 8 in disease, we decided to investigate the effect of environmental pH on the growth and enzyme activity of Bacteroides gingivalis W50.
(14) However, with a spin label previously shown to project to the lip on the crevice a clear N--F transition as well as the subsequent acid expansion are observed.
(15) On the atrioventricular valves, the deposition in this crevice was most severe on the outflow surface adjacent to the minor flow orifice.
(16) A new crevice geometry with elliptically shaped walls is introduced which reduces the height of the crevice needed for bubble emergence and relaxes the constraints for the stability of gas nuclei.
(17) Corrosion degradation of amalgam fillings is due mainly to localized corrosion cells in pores and crevices.
(18) It is believed to impart hydrophobicity while it could also determine the microgeometry of any crevices vital for bubble formation or retention.
(19) Gingival fluid was sampled from the orifices of the gingival crevices in five male subjects with clinically healthy gingiva.
(20) These bands can be assigned to modes which include strong contributions of vibrations largely localized in the propionate-carrying pyrrole rings A and D. This indicates structural differences in the deeper part of the heme crevice, remote from the mutation site.
Wall
Definition:
(n.) A kind of knot often used at the end of a rope; a wall knot; a wale.
(n.) A work or structure of stone, brick, or other materials, raised to some height, and intended for defense or security, solid and permanent inclosing fence, as around a field, a park, a town, etc., also, one of the upright inclosing parts of a building or a room.
(n.) A defense; a rampart; a means of protection; in the plural, fortifications, in general; works for defense.
(n.) An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder.
(n.) The side of a level or drift.
(n.) The country rock bounding a vein laterally.
(v. t.) To inclose with a wall, or as with a wall.
(v. t.) To defend by walls, or as if by walls; to fortify.
(v. t.) To close or fill with a wall, as a doorway.
Example Sentences:
(1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(2) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
(3) With aging, the blood vessel wall becomes hyperreactive--presumably because of an augmented vasoconstrictor and a reduced vasodilator responsiveness.
(4) At operation, the tumour was identified and excised with part of the aneurysmal wall.
(5) The role of whole Mycobacteria, mycobacterial cell walls and waxes D as immunostimulants was well established many years ago.
(6) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
(7) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
(8) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
(9) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
(10) The standard varies from modest to lavish – choose carefully and you could be staying in an antique-filled room with your host's paintings on the walls, and breakfasting on the veranda of a tropical garden.
(11) The following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.
(12) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
(13) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.
(14) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
(15) Polypeptide factor isolated from vascular wall of the cattle ("vasonin") was shown to affect the immunogenesis and hemostasis, to stimulate kallikrein-kinin system and to accelerate processes of regeneration.
(16) In the case with a more distally situated VSD, the bundle branches skirted the anterior and distal walls of the defect.
(17) Cholecystectomy provided successful treatment in three of the four patients but the fourth was too ill to undergo an operation; in general, definitive treatment is cholecystectomy, together with excision of the fistulous tract if this takes a direct path through the abdominal wall from the gallbladder, or curettage if the course is devious.
(18) Following injections of HRP into the apex of the heart, the sinoatrial (SA) nodal region and the ventral wall of the right ventricle, we observed that HRP-labeled sympathetic neurons were localized predominantly in the right stellate ganglia, and to a lesser extent, in the right superior and middle cervical ganglia, and left stellate ganglia.
(19) A temperature-sensitive mutant of Saccharomyces cerevisiae was identified which at the restrictive temperature of 37 degrees C is unable to secrete a number of cell wall-associated proteins and thus resembles previously reported sec mutants.
(20) Polypropylene mesh was used to repair the abdominal wall.