What's the difference between distribution and symmetry?

Distribution


Definition:

  • (n.) The act of distributing or dispensing; the act of dividing or apportioning among several or many; apportionment; as, the distribution of an estate among heirs or children.
  • (n.) Separation into parts or classes; arrangement of anything into parts; disposition; classification.
  • (n.) That which is distributed.
  • (n.) A resolving a whole into its parts.
  • (n.) The sorting of types and placing them in their proper boxes in the cases.
  • (n.) The steps or operations by which steam is supplied to and withdrawn from the cylinder at each stroke of the piston; viz., admission, suppression or cutting off, release or exhaust, and compression of exhaust steam prior to the next admission.

Example Sentences:

  • (1) However, as other patients who lived at the periphery of the Valserine valley do not appear to be related to any patients living in the valley, and because there has been considerable immigration into the valley, a number of hypotheses to explain the distribution of the disease in the region remain possible.
  • (2) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (3) The distribution and configuration of the experimental ruptures were similar to those usually noted as complications of human myocardial infarction.
  • (4) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
  • (5) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (6) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
  • (7) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (8) Sixteen patients were operated on for lumbar pain and pain radiating into the sciatic nerve distribution.
  • (9) Furthermore, their distribution in various ethnic groups residing in different districts of Rajasthan state (Western-India) is also reviewed.
  • (10) A quantitative comparison of tissue distribution and excretion of an orally administered sublethal dose of [3H]diacetoxyscirpenol (anguidine) was made in rats and mice 90 min, 24 hr, and 7 days after treatment.
  • (11) Their contour lengths varied from 0.28 to 51 micron, but unlike in the case of maize, a large difference was not observed in the distribution of molecular classes greater than 1.0 micron between N and S cytoplasms of sugar beet.
  • (12) The regional distribution of beta-adrenoceptor subtypes was found to be similar to that seen in the rat brain.
  • (13) The distribution of gelsolin, a calcium-dependent actin-severing and capping protein, in the retina of the developing and adult rabbit was studied.
  • (14) In the cannulated group, significant decreases (P less than 0.05) in the area under the elimination curve (AUC), the volume of distribution at steady-state (Vdss) and the mean residence time (MRT) were observed.
  • (15) Febrile reactions were not distributed randomly among the patients; those with respiratory tract infection experienced more febrile reactions during periods with infection than during periods without.
  • (16) Despite this alteration in subcellular distribution, the mutant polypeptide retained the ability to induce fibroblast transformation by several parameters, including the ability to display anchorage-independent growth.
  • (17) Probability distributions are fitted to these data and it is shown that the log-series distribution best fits the data for two subgroups.
  • (18) Employed method of observation gave quantitative information about the influence of odours on ratios of basic predeterminate activities, insect distribution pattern and their tendency to choose zones with an odour.
  • (19) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
  • (20) In contrast with oligodendrocytes, [Cl-]i in astrocytes is significantly increased (from 20 to 40 mM) above the equilibrium distribution owing to the activity of an inward directed Cl- pump; this suggests a different mechanism of K+ uptake in these cells.

Symmetry


Definition:

  • (n.) A due proportion of the several parts of a body to each other; adaptation of the form or dimensions of the several parts of a thing to each other; the union and conformity of the members of a work to the whole.
  • (n.) The law of likeness; similarity of structure; regularity in form and arrangement; orderly and similar distribution of parts, such that an animal may be divided into parts which are structurally symmetrical.
  • (n.) Equality in the number of parts of the successive circles in a flower.
  • (n.) Likeness in the form and size of floral organs of the same kind; regularity.

Example Sentences:

  • (1) By adjustment to the swaying movements of the horse, the child feels how to retain straightening alignment, symmetry and balance.
  • (2) Models with a C8-symmetry and D4-symmetry can be ruled out.
  • (3) This lack of symmetry in shape and magnitude may be due to non-sphericity of the skull over the temporal region or to variations in conductivities of intervening tissues.
  • (4) Subjects with high ocular-dominance scores (right- or left-dominant subjects) showed for the green stimulus asymmetric behavior, while subjects with low ocular-dominance scores showed a tendency toward symmetry in perception.
  • (5) The 3' end of the cell cycle regulated mRNA terminates immediately following the region of hyphenated dyad symmetry typical of most histone mRNAs, whereas the constitutively expressed mRNA has a 1798 nt non-translated trailer that contains the same region of hyphenated dyad symmetry but is polyadenylated.
  • (6) US clearly images the cartilaginous femoral head and enables accurate assessment of hip size, shape, and symmetry.
  • (7) Termination of sar RNA synthesis occurs after transcription of the first and second Ts of a TTTA sequence following a region of hyphenated dyad symmetry.
  • (8) In this paper, a CD study is reported on the reconstitution of horse heart myoglobin with protoheme XIII, a heme possessing true rotational symmetry about its alpha, gamma-meso axis.
  • (9) A significant symmetry (trochanteric-trochanteric or cervical-cervical) was found between the first and the second hip fractures (69 per cent).
  • (10) We discuss the role of symmetry operations in mode calculations and the relevance of these displacement vectors to the interpretation of linear dichroism measurements performed on the A- and B-DNA helix.
  • (11) This symmetry, with respect to the sign of the charge, indicates that discreteness-of-charge effects are not significant in determining the potential-sensitive phase partitioning of these probes in model membranes.
  • (12) In 14 patients with asymmetrical baseline VERs, hypercapnia caused improvement of symmetry in five, worsening in three, and no change in six.
  • (13) Using a symmetry argument it is shown that the critical internal pressure for the initiation of yielding of the envelope material has a non-uniform distribution and is significantly higher for the polar regions.
  • (14) (2) The four EF hands are arranged in two pairs with overall symmetry, 222.
  • (15) Three viruses (Ff, IKe, and If1) all have five-start helices with rotation angles of 36 degrees and axial translations of 16 A (Type I symmetry), and three other viruses (Pf1, Xf, and Pf3) all have one-start helices with rotation angles of approximately equal to 67 degrees and translations of approximately 3 A (Type II symmetry).
  • (16) This section was characterized by its axial rotation, deviation of its midpoint from the spinal axis, and area symmetry about the midpoint.
  • (17) These centres do not control the nature of the nystagmic movement that consists of a slow and a fast components, the combined movements of the right and left eyes, the direction of the nystagmus, the range and the nature marking the distribution of the maximal movement and of the most frequent movements during the action of the stimulus and the symmetry of the labyrinthine function.
  • (18) Taking advantage of structural symmetries may critically improve the convergence while refining the target molecule or its building blocks.
  • (19) As such, the finite size of the cellular membrane, as well as its precise symmetry, could not be incorporated into the previous studies.
  • (20) Similarly, the formation of spatial dissipative structures by coupling of a transport process with an interfacial reaction was investigated as a simple experimental example of symmetry breaking.