(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%).
Umbel
Definition:
(n.) A kind of flower cluster in which the flower stalks radiate from a common point, as in the carrot and milkweed. It is simple or compound; in the latter case, each peduncle bears another little umbel, called umbellet, or umbellule.
Example Sentences:
(1) It was found in the proposed model of morphogenesis of Acetabularia that the number of whorls N (as well as the number of umbel rays) depends on the degree of mechanical instability of the deforming cell wall (the greater is instability, the higher is the value N).
(2) Nitrogen fertilization gave higher number of compound umbels and increased oil percentage, seed yield and oil yield with increase in dose.
(3) A living, ammonia-obligate, umbellate form, similar to the Precambrian microfossil Kakabekia umbellata Barghoorn, has been isolated from two soil specimens collected at Harlech, Wales.
(4) dauricine and polysaccharide of pore umbellate as group I.
(5) Morphologically, ginseng is a perennial herb with fleshy root, a single annual stem bearing a whorl of palmately compound leaves, and a terminal simple umbel of small 5-merous flowers.
(6) The compound umbels per plant increased as the distance between plants increased.
(7) When the dendrite reaches layer II it bursts into an umbel of rapidly tapering branches.
(8) An ontogeny is proposed in which the stalk and basal bulb of the complete umbellate structure are assumed to be part of the reproductive appartus.
(9) These results show that dauricine and polysaccharide of pore umbellate did not strengthen the antiviral effect of Ara-A.
(10) As it could be expected from the high prevalence of adults with antibody (95%), 90% of umbelical cord sera have h.ia.,, Over 50% of children 15 days-3 months of age are still positive and afterwards the positivity decreases progressivley till a minimum of 8% in children 10--12 months old.
(11) Early sown plants produced taller plants, with higher compound umbels.