(n.) A little perforated ball, to be strung on a thread, and worn for ornament; or used in a rosary for counting prayers, as by Roman Catholics and Mohammedans, whence the phrases to tell beads, to at one's beads, to bid beads, etc., meaning, to be at prayer.
(n.) Any small globular body
(n.) A bubble in spirits.
(n.) A drop of sweat or other liquid.
(n.) A small knob of metal on a firearm, used for taking aim (whence the expression to draw a bead, for, to take aim).
(n.) A small molding of rounded surface, the section being usually an arc of a circle. It may be continuous, or broken into short embossments.
(n.) A glassy drop of molten flux, as borax or microcosmic salt, used as a solvent and color test for several mineral earths and oxides, as of iron, manganese, etc., before the blowpipe; as, the borax bead; the iron bead, etc.
(v. t.) To ornament with beads or beading.
(v. i.) To form beadlike bubbles.
Example Sentences:
(1) Retention of platelets from whole blood on glass beads was performed by the method of Bowie.
(2) The kidney disease was characterized by diffuse beaded deposition of rat gammaglobulin along the glomerular capillaries and proteinuria.
(3) Agarose-albumin beads may be useful for removing protein-bound substances from the blood of patients with liver failure, intoxication with protein-bound drugs, or specific metabolic deficits.
(4) Using polyclonal antibodies raised against yeast p34cdc2, we have detected a 36 kd immunoactive polypeptide in macronuclei which binds to Suc1 (p13)-coated beads and closely follows H1 kinase activity.
(5) The results of the study suggest that perhaps tobramycin of cefotaxime-impregnated PMMA beads would produce local levels of antibiotic high enough to sterilize a given dead space for a period of 28 days.
(6) Using sterile conditions, antibodies to G were incubated with a suspension of transformed cells at 4 degrees C, unbound antibodies were then removed, and the cells were incubated with the immunoabsorbent (3 micron magnetic beads; J. Ugelstad et al.
(7) The beads enable us to examine several aspects of the adhesion process with particles having uniform properties that can be varied systematically.
(8) Cytotoxic T lymphocytes were found to mediate rapid lysis of target cells not normally recognized in the presence of small polystyrene beads coated with a combination of anti-T3 and antitarget cell antibodies.
(9) Beads approximately 1 microm in diameter appeared to be the optimal size for ingestion.
(10) In the presence of 3-isobutyl-1-methylxanthine, stimulation induced an accumulation of cAMP, making possible the NMR detection of the second messenger in living cells grown on microcarrier beads and perfused in the NMR tube.
(11) In order to examine the mechanisms underlying radiation-induced changes in phosphorus metabolite levels observed in RIF-1 tumors in vivo, RIF-1 cells in culture were perfused for up to 70 h following gamma-irradiation with 0-25 Gy and monitored continuously by 31P NMR spectroscopy at 8.5 T. Cells immobilized in the sample volume by incorporation into calcium alginate beads were bioenergetically stable, but did not replicate at the cell density used.
(12) To investigate the effect of steroid hormone on phagocytosis by keratocytes, we investigated the phagocytic activities for latex beads by rabbit corneal keratocytes cultured in the presence and absence of dexamethasone.
(13) The M-280 beads which are smaller (diameter 2.8 microns) and contain less iron than the M-450 beads were coated with polyclonal IgG sheep antimouse (SAM) antibody.
(14) No radiographic studies are routinely needed; bead-chain cystourethrography and IVU in particular probably offer little additional information.
(15) The electron-dense tracers, ferritin, peroxidase, Thorotrast, and latex beads were all ingested but none was phagocytized.
(16) After elution of the complex from the beads a new cycle of capture, washing and release of the target-capture-reporter-probe complex is initiated by the additions of unused (dT)-tailed beads.
(17) In this procedure, target DNA is captured by a biotinylated oligonucleotide via intermolecular triplex formation, bound to streptavidin-coated magnetic beads, and recovered in double-stranded form by elution with a mild alkaline buffer that destabilizes the triple helix.
(18) Because the plasma clots were not well retained in the basal cistern, however, small beads (dextran or latex) were added to stabilize them.
(19) Amino ligands such as proteins or drugs can be bound covalently to the beads in a single step at physiological pH.
(20) We also found a strong binding of S-protein antibodies to agarose beads preincubated in native serum, which was strongly reduced (70-80%) by inactivation of the alternative complement pathway (50 degrees C, 20 min).
Ridge
Definition:
(n.) The back, or top of the back; a crest.
(n.) A range of hills or mountains, or the upper part of such a range; any extended elevation between valleys.
(n.) A raised line or strip, as of ground thrown up by a plow or left between furrows or ditches, or as on the surface of metal, cloth, or bone, etc.
(n.) The intersection of two surface forming a salient angle, especially the angle at the top between the opposite slopes or sides of a roof or a vault.
(n.) The highest portion of the glacis proceeding from the salient angle of the covered way.
(v. t.) To form a ridge of; to furnish with a ridge or ridges; to make into a ridge or ridges.
(v. t.) To form into ridges with the plow, as land.
(v. t.) To wrinkle.
Example Sentences:
(1) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
(2) On the tangential views the inclinations of the future implants were estimated and the part of the alveolar ridge having a width less than 5 mm, which is the minimum width for housing an implant, was compiled.
(3) After 1 day in vitro the explants were partly encircled by epithelium which had proliferated from the cut edges of the explant and from rete ridges near the cut edge (epiboly).
(4) We have now found that these cells, cultured as a monolayer, are able to undergo rapid morphogenesis forming ridges and balls around collagen fibres, when soluble collagen type I is added to the medium.
(5) Besides the rough, wrinkled, and brown or black surface of the fingertips, microwrinkles of the epidermis occur on the skin ridges, which have so far not been described.
(6) The results of the rapid-freeze and deep-etch procedure showed that the ridges observed by the surface replica method consisted of linear arrangements of elliptical particles on the ES face of the plasma membrane.
(7) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.
(8) The calculations revealed that local hypoxia and lipoprotein accumulation may occur at the ridges, leading to subsequent intimal thickening and ridge growth.
(9) The quality of the alveolar ridge and the denture as well as the functional status of the craniomandibular system were evaluated in detail.
(10) The use of an intraoral alveolar ridge soft tissue expander to aid in reconstruction of the alveolar ridge is described, and the results in five cases are reported.
(11) Sixty-three per cent of the implants were operated in immediately after tooth extraction, whereas the rest were installed in a healed bony alveolar ridge.
(12) After the treatment in toto of the embryos from various species of Anura by cAMP, the number of primordial germ cells (PGC) in genital ridges is strongly reduced; the most part of the PGC are found in the endoderm.
(13) The innervation to the rete ridge is uniquely absent in the rabbit.
(14) The atrial complex was a common chamber with an attempt at division into two parts by a circular ridge of tissue; the ventricular complex was formed by three chambers which were all communicating between each other in the superior margin of their muscular interventricular septum.
(15) The other main sites of expression are the genital ridge, fetal gonad and mesothelium.
(16) Cells with demarcated borders showed rearrangement of microvilli into globular chains or ridges which lined up with the branching membrane.
(17) With the mobilization of the two halves of the face it is possible to approximate the orbits, simultaneously elongating the center of the face and normalizing the maxillary alveolar ridge.
(18) The air pressure in the skin cup was continually adjusted (using an electromechanical servo-control system) to pull the skin upward and to hold it perfectly flat across the upper ridge of the Teflon cylinder.
(19) Clinical findings as well as fingerprint ridge counts were typical of the syndrome.
(20) By design these plants are adjacent to the AEC's Oak Ridge National Laboratory, and such a location would seem ideal for an experiment on the wedding of nuclear and fossil sources of energy.