What's the difference between structure and superstructure?

Structure


Definition:

  • (n.) The act of building; the practice of erecting buildings; construction.
  • (n.) Manner of building; form; make; construction.
  • (n.) Arrangement of parts, of organs, or of constituent particles, in a substance or body; as, the structure of a rock or a mineral; the structure of a sentence.
  • (n.) Manner of organization; the arrangement of the different tissues or parts of animal and vegetable organisms; as, organic structure, or the structure of animals and plants; cellular structure.
  • (n.) That which is built; a building; esp., a building of some size or magnificence; an edifice.

Example Sentences:

  • (1) The findings indicate that there is still a significant incongruence between the value structure of most family practice units and that of their institutions but that many family practice units are beginning to achieve parity of promotion and tenure with other departments in their institutions.
  • (2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
  • (3) We have determined the genomic structure of the fosB gene and shown that it consists of 4 exons and 3 introns at positions also found in the c-fos gene.
  • (4) Structure assignment of the isomeric immonium ions 5 and 6, generated via FAB from N-isobutyl glycine and N-methyl valine, can be achieved by their collision induced dissociation characteristics.
  • (5) The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy.
  • (6) Life expectancy and the infant mortality rate are considered more useful from an operational perspective and for comparisons than is the crude death rate because they are not influenced by age structure.
  • (7) It has been generally believed that the ligand-binding of steroid hormone receptors triggers an allosteric change in receptor structure, manifested by an increased affinity of the receptor for DNA in vitro and nuclear target elements in vivo, as monitored by nuclear translocation.
  • (8) Immunocytochemistry was used to visualize cytoskeletal structures and to assay selective disruption of neurofilaments by acrylamide.
  • (9) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
  • (10) Structural peculiarities in tubulin polymorphism are considered.
  • (11) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
  • (12) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (13) Fluorination with [18F]acetylhypofluorite yields 6-[18F]fluoro-L-dopa with 95% radiochemical purity; fluorination of the same substrate with [18F]F2 yields a mixture of all three structural isomers in a ratio of 70:16:14 for 6-, 5-, and 2-fluoro compounds.
  • (14) But the wounding charge in 2010 has become Brown's creation of a structural hole in the budget, more serious than the cyclical hit which the recession made in tax receipts, at least 4% of GDP.
  • (15) The aetiological factors concerned in the production of paraumbilical and epigastric hernias have been reviewed along structural--functional lines.
  • (16) The disassembly of the synthetase complex is consistent with the structural model of a heterotypic multienzyme complex and suggests that the complex formation is due to the specific intermolecular interactions among the synthetases.
  • (17) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
  • (18) The structures of 1 and 2 were established mainly on the basis of nmr spectroscopic data.
  • (19) Determination of the primary structure for factor V has provided the basis for examination of structure-function relationships.
  • (20) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.

Superstructure


Definition:

  • (n.) Any material structure or edifice built on something else; that which is raised on a foundation or basis
  • (n.) all that part of a building above the basement. Also used figuratively.
  • (n.) The sleepers, and fastenings, in distinction from the roadbed.

Example Sentences:

  • (1) The interference of the Nt binding with chromatin proteins maintaining the sub- and superstructure will be discussed.
  • (2) When the stapes superstructure was intact, 52% of the patients with canal-up operations had an air-bone gap of less than 20 dB.
  • (3) The significance of superstructural deformities on juvenile hallux valgus is discussed.
  • (4) Their gel electrophoretic mobilities were studied in the presence of the tetracation, spermine, since it was previously suggested, on the basis of theoretical analysis, that spermine can increase DNA bending and thus could be useful in revealing DNA superstructural features.
  • (5) Cluster headache and chronic paroxysmal hemicrania are assumed to be so closely related that they from a classification point of view have been grouped together under the superstructure: cluster headache syndrome.
  • (6) U.S.A. 79, 3423-3427) that poly(ADP-ribosyl)ation of pancreatic nucleosomes causes relaxation of the chromatin superstructure through H1 modification.
  • (7) Evidence has been presented to prove that cathodoluminescence (CL) studies of chromosomes and spread, Giemsa stained chromatin may lead to early detection of structural changes, such as the superstructure of heterochromatin.
  • (8) In the stapes the disturbance in lamellar bone formation can lead to extreme thinness, dehiscence, and nonunion of the stapedial superstructure with the footplate.
  • (9) Chromatin undergoes two successive transitions: the first transition is explained by a lengthening of nucleosomal chains without modification of the orientation of nucleosomes within the superstructure and the second one by the unwinding of the DNA tails and internucleosomal segments.
  • (10) Four ITP subfractions occurred common in the otosclerotic stapes footplate, the superstructure and the cortical bone.
  • (11) The technique described in this report offers the advantage of wide exposure, symmetrical approach to the superstructures of the face and orbits, the potential for resection of a large portion of the anterior cranial floor, and substantial reconstruction which is a major factor in avoiding complications.
  • (12) The increase of CD signal at 280 nm (from 2000 to about 4000 cm2 deg.dmole-1) in the case of sheared chromatin is not related to the loss of superstructure but to the structural changes of DNA inside the nucleosomal core which are always produced by shearing.
  • (13) However, in cells cotransfected with a complete infectious poliovirus cDNA, the requirement for the stem-loops in this large superstructure was reduced.
  • (14) The second is the body as superstructure composed of bones, muscles, and vital spots (marma-s), which supports the fluid body.
  • (15) In this clinical situation, the abutment teeth on either side of a four-tooth gap were not considered strong enough to support a six-unit superstructure.
  • (16) Asthma bronchiale, as all long-lasting diseases with unpleasant subjective complaints, has a considerable psychic superstructure.
  • (17) These correspond with the type of reconstruction employed such as an intact ossicular chain, absence of the malleus, absence of the superstructure of the stapes, or both.
  • (18) Methylation protection experiments suggest a nested head-to-tail superstructure containing two tetraplexes bonded front-to-back via G quartets formed by out-of-register guanines.
  • (19) However, when the stapes superstructure is intact, the difference in hearing function is not remarkable, and must be weighed against the potential for residual disease or recurrence associated with canal-up procedures.
  • (20) The chirality of these complexes appears dramatically different for the two LREs, suggesting that their different superstructural features give rise to different interactions with the polyamine.