What's the difference between cluster and tuft?

Cluster


Definition:

  • (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%).

Tuft


Definition:

  • (n.) A collection of small, flexible, or soft things in a knot or bunch; a waving or bending and spreading cluster; as, a tuft of flowers or feathers.
  • (n.) A cluster; a clump; as, a tuft of plants.
  • (n.) A nobleman, or person of quality, especially in the English universities; -- so called from the tuft, or gold tassel, on the cap worn by them.
  • (v. t.) To separate into tufts.
  • (v. t.) To adorn with tufts or with a tuft.
  • (v. i.) To grow in, or form, a tuft or tufts.

Example Sentences:

  • (1) This observation provides corroboration for the identification of the principal CCK-I neuron in the rat olfactory bulb as the centrally projecting middle tufted cell.
  • (2) The observed damage was similar: a decrease of the total length of the dendritic segments of the apical tuft and the basal arborization.
  • (3) The cell density in the tufts was 120 and 70 per cent greater than controls in AGN and RPGN, respectively.
  • (4) Approximately one-fourth of the cells contained cytoplasmic fibrillar bodies and amorphous fibrous tufts around the nuclear envelope.
  • (5) Stereociliary tufts in the tectorial region differ from those in the free-standing region in several ways.
  • (6) Severe mesangial insudation of material containing fibrinogen derivatives resulted in segmental tuft necrosis with almost complete replacement and destruction of the mesangial matrix.
  • (7) The anaxonic granule cell of the olfactory bulb is believed to inhibit mitral and tufted cells through reciprocal dendrodendritic synapses.
  • (8) Detached ciliary tufts (DCTs) have been observed in sputum, in cervicovaginal smears and, rarely, in fluid from the pouch of Douglas.
  • (9) Among the 58 Helicobacter-negative cases, similar changes were not observed in the ulcer edges, except for two cases which exhibited some cellular tufts.
  • (10) Monocytes were the predominant cell type among stained cells in glomerular tufts and crescents.
  • (11) At least six different cell types are recognizable: (1) nondifferentiated duct cells; (2) cells containing apical secretory granules; (3) goblet cells; the mucosubstances of type 2 and 3 are PAS- and Alcian-blue-positive, also reacting wih methenamine silver; (4) ciliated cells, containing a single cilium with the microtubular pattern 9+2; (5) tuft cells with extremely long and wide microvilli and a pear-shaped cell body; (6) migrating cells, mainly lymphocytes and some assumed eosinophils, showing reaction to Mg++-activated ATPase.
  • (12) The Tufts Assessment of Motor Performance (TAMP) was administered to 69 children (ages 6-18 years, X = 12.1, SD = 3.9) and 137 adults (ages 19-83 years, X = 46.7, SD = 20.0) with neurological and musculoskeletal impairments.
  • (13) The funniest hairstyle I’ve ever had The time I tried to give myself a touch-up with clippers and shaved out a whole tuft of hair.
  • (14) Surface areas of tufts and crescents were separately determined by photographing glomeruli, projecting and tracing outlines of tufts and crescents, and cutting out and weighing the tracings.
  • (15) S. sanguis I strains adhered better than S. sanguis II strains and peritrichously fibrillar strains generally adhered better than tufted strains.
  • (16) An adhesion is considered as a nidus for segmental sclerosis; as the adhesion progresses, the related tuft regions turn into sclerosis.
  • (17) The terminal tuft of the distal phalanx is destroyed by pressure erosion.
  • (18) That's probably why Tufts has reneged on its agreement with the government on how it plans to deal with sexual assault on campus – administrators know it's unlikely that they'll have their funding pulled as a result of their non-compliance.
  • (19) They found, in the articulation of the upper limbs, in addition to generic signs of arthrosis, zones of bone reabsorption (vacuoles), especially as regard the wrist and hands, and irregularities of the tufts.
  • (20) Several stages of collagen assemblies were observed: intracellular packing of SLS-like aggregates surrounded by membrane containing areas with a clathrin coat; fine non cross-striated filaments connecting the cell membrane at 1 pole of the cells and collagen fibrils; tufts of filaments directly linked to collagen fibrils.