(n.) A number of things of the same kind growing together; a bunch.
(n.) A number of similar things collected together or lying contiguous; a group; as, a cluster of islands.
(n.) A number of individuals grouped together or collected in one place; a crowd; a mob.
(v. i.) To grow in clusters or assemble in groups; to gather or unite in a cluster or clusters.
(v. t.) To collect into a cluster or clusters; to gather into a bunch or close body.
Example Sentences:
(1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
(2) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
(3) In some cervical nodes, a few follicles, lymphocyte clusters, and a well-developed plasmocyte population were also present.
(4) The 68C intermolt puff of Drosophila melanogaster contains a cluster of three glue protein genes, Sgs-3, Sgs-7, and Sgs-8.
(5) This analysis demonstrated that more than 75% of cosmids containing a rare restriction site also contained a second rare restriction site, suggesting a high degree of CpG-rich restriction site clustering.
(6) Typically the iron-iron axis (gz) of the binuclear iron-sulfur clusters is in the membrane plane.
(7) The fourth cluster included the type strains of Actinobacillus lignieresii, A. equuli, A. pleuropneumoniae, A. suis, A. ureae, H. parahaemolyticus, H. parainfluenzae, H. paraphrohaemolyticus, H. ducreyi, and P. haemolytica.
(8) Each species has approximately 500 core histones cluster repeats per haploid genome.
(9) mycoides cluster' at a similarity level (S) of 66% and which remained undivided at up to 78% S. At higher similarity levels, these strains fell heterogeneously into mixed sub-phenons containing strains of both subspecies.
(10) Thus, succinate dehydrogenase is the first enzyme which has been shown to contain all 3 of these Fe-S clusters.
(11) We examined 10 life areas clustered around the general categories of "substance use," "social functioning," and "emotional and interpersonal functioning."
(12) Genetic regulation of the ilvGMEDA cluster involves attenuation, internal promoters, internal Rho-dependent termination sites, a site of polarity in the ilvG pseudogene of the wild-type organism, and autoregulation by the ilvA gene product, the biosynthetic L-threonine deaminase.
(13) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
(14) The difference in Brazil will be the huge distances involved, with the crazy decision not to host the group stages in geographical clusters leading to logistical and planning nightmares.
(15) Fifty-four cases were analysed, and a two-fold excess of clustering within one year was observed, both within single districts and between adjacent districts.
(16) All of the multivariate data were treated with mathematic method of cluster analysis.
(17) The perinatal development of the levator ani (LA) muscle in male and female rats was investigated by measuring the total number of muscle units (MU) (i.e., mononucleate cells, clustered or independent myotubes, and muscle fibers) in transverse semithin sections of the entire muscle and the MU cross-sectional area in 22-day-old fetuses (F22), 1-day-old (D1 = day of birth), 3-day-old (D3), and 6-day-old (D6) newborns.
(18) Since only a few of these medium sized terminals in any one cluster degenerate after tectal lesions, and none degenerate after cortical lesions, it is suggested that the morphological arrangement of these clusters may permit the convergence of axons from several sources, some of which are unidentified, onto the same dendritic segment.
(19) A transurethral prostatic resection for prostatism in a 73 year old man showed a cluster of richly capillarised clear cells originally thought to be indicative of invasive carcinoma.
(20) Moderately differentiated tumor revealed a wider range of nucleus size, less clustering (coefficient--3.59) and more hyperchromatic (70.1%) and "bare" (49.4%) nuclei and large nucleoli (22.2%).
Rosette
Definition:
(n.) An imitation of a rose by means of ribbon or other material, -- used as an ornament or a badge.
(n.) An ornament in the form of a rose or roundel, -much used in decoration.
(n.) A red color. See Roset.
(n.) A rose burner. See under Rose.
(n.) Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. See Illust. of Spicule, and Sand dollar, under Sand.
(n.) A flowerlike color marking; as, the rosettes on the leopard.
Example Sentences:
(1) Most of the radioactivity in spleen cells from these rats were associated with antigen-reactive cells which formed rosettes specifically with HO erythrocytes.
(2) Slide smears revealed the rosette-shaped pattern characteristic of malignant neuroblastoma, many of which were fitted with dendritic plasmatic processes.
(3) The response of Tac rosette positive cells to recombinant IL-2 was always higher than that of the Tac rosette negative or unselected cells, indicating that this rosette method specifically selects T cells expressing IL-2 receptor.
(4) In a second experimental series, immunological tests (Rosette-forming cells, Plaque-forming cells, serum hemagglutinin titers) were performed 7 days after intraperitoneal injection of LPS.
(5) The mouse serum, unlike the rabbit one, induced the inactivation of receptors in rosette forming lymphocytes both in the non-immune and immune mice on the 8th day after the antigenic stimulation.
(6) It contained approximately 1% HP+cells and approximately 3% of all lymphocytes forming rosettes which sheep erythrocytes (E+ cells) present before fractionation.
(7) The suppressor cell is radioresistant; requires 24 hr to suppress optimally; is inactivated by heating at 56 degrees C for 15 min, and is enriched in the non-T interface after SRBC rosette depletion over a discontinuous Ficoll-Hypaque gradient.
(8) Treatment of PBL with the antiserum alone completely inhibited the E-rosette formation.
(9) The increased blastogenesis occurred in rosette-depleted (B cell) populations and did not occur in rosette-enriched (T cell) preparations.
(10) The authors found daily variations in all rosettes in the inner retinal layers, which are of interest here.
(11) Total rosette-forming cells (TRFCs) and percentage of rosette-forming cell (RFC) levels were measured in patients undergoing dialysis and in recipients following renal transplantation.
(12) The proportion of SIg carrying cells within the population forming EA-rosettes was between 11 and 26-4%.
(13) Microautoradiography showed that melanin-containing cells in the trunk and head kidney and in the olfactory rosettes also accumulated high amounts of radioactivity.
(14) In this study, thymic rosettes (TR), which are cell-cell complexes of thymic lymphocytes and stromal cells, were isolated from human thymic tissue, and were characterized.
(15) Incubation of normal pig lymphocytes in serum samples collected from 10 sows immediately before, and at daily intervals after mating with a vasectomized boar significantly elevated the rosette inhibition titre (RIT) of a standard antilymphocyte serum in 6 animals on the first but not on the 2nd and 3rd day after copulation.
(16) Histamine in vitro also inhibited the E-rosette formation, but only in patients with allergic disorders.
(17) Fragments of human erythrocytes inhibited E rosette formation by intact human red cells, but did not result in a significant decrease in rosette formation by intact guinea pig erythrocytes; likewise, guinea pig fragments had no inhibitory effect on rosette formation by human erythrocytes, demonstrating that separate receptors were required for the two red cell types.
(18) With sheep RBC, lymphocytes from 2 of the 5 rabbits studied formed rosettes to the extent of 1.5% in the system containing glutaraldehyde.
(19) Taking the percentage of zymosan-complement complex rosette forming cells (ZC-RFC%) and the number of zymosan-complement Complex rosette forming cells (ZC-RFC) in the peripheral blood as indices of humoral immunity, bone marrow derived lymphocytes were detected by modified Sondra B cell assay in 24 healthy aged taking part in Taichiquan (88 style) exercise and 24 age-matched normal subjects without any physical training.
(20) The rosette inhibition titers (RIT) for sera from 94 women at various stages of gestation were detected with a standardized rosette inhibition test.