What's the difference between polyhedra and polyhedral?

Polyhedra


Definition:

  • (pl. ) of Polyhedron

Example Sentences:

  • (1) Adjacent organic anions are separated by the Li+ ions and their coordination polyhedra, with the water molecules occupying positions above and below the naphthalene rings and participating in a three-dimensional hydrogen-bonded network.
  • (2) Western blot analysis and immunofluorescent microscopy of polyhedra solubilized under various conditions indicated that p32 is associated with the polyhedral envelope.
  • (3) Also, there appears to be a rough correlation between the capability of a given clone to serve as an indicator and the rate at which polyhedra first appear in the nuclei of the infected cells, with the best indicators producing polyhedra first.
  • (4) Like the American viruses, the Chinese viruses were large polyhedra and sensitive to chloroform.
  • (5) In an electron microscope, the phage particles appear as small polyhedra, 23 nm in diameter.
  • (6) Paracrystalline inclusion bodies (polyhedra) which occlude insect viruses are bounded by two membrane units which are closely appressed.
  • (7) The perbromate ion, but neither of the sodium coordination polyhedra, shows rigid-body behavior.
  • (8) The virions were released from the polyhedra by alkali treatment and purified by either rate zonal or equilibrium centrifugation in sucrose gradients.
  • (9) Likewise, polyhedrin showed no major concentrations outside of developing or mature polyhedra.
  • (10) Electron micrographs of MP polyhedra showed bundles of nucleocapsids of normal length within the polyhedra, whereas FP polyhedra contained heterogeneous, electron-dense material, which could account for their lack of pathogenicity.
  • (11) For about 10 days production of 10(7) polyhedra (virus particles embedded in a protein capsule) per cm3 was achieved.
  • (12) Recombinants were found which assembled cubic polyhedra in infected cells, had the BamHI restriction site missing, and had an altered mobility of their polyhedrin polypeptide.
  • (13) A recombinant virus, vETL beta gal, containing the Escherichia coli beta-galactosidase (beta gal) gene fused to the N-terminal two-thirds of the ETL ORF, produced blue plaques in the presence of a chromogenic indicator of beta gal and wild-type levels of polyhedra in cell culture.
  • (14) A series of monoclonal antibodies was produced against proteins from polyhedra-derived virions of the multicapsid nuclear polyhedrosis virus of Orgyia pseudotsugata (OpMNPV).
  • (15) The positive Hamm test obtained in the nucleoli shows that this test cannot be regarded as specific for nuclear polyhedra.
  • (16) However, an evaluation (mean values) of the total changes in groups of fish suggested that a relationship may exist in the suckers exposed to either purified polyhedra or virions.
  • (17) The Ca-O distances in all three polyhedra are in the range 2.07 A to 2.64 A, indicating tightly bound Ca polyhedra.
  • (18) The p87 protein was shown to be a component of both budded and polyhedra-derived virus and purified capsids.
  • (19) Both infectious tissue culture supernatants or virus isolated directly from polyhedra could be titrated.
  • (20) The number of polyhedra, nonoccluded virions, and TCID(5 0) produced per cell was also presented.

Polyhedral


Definition:

  • (a.) Alt. of Polyhedrical

Example Sentences:

  • (1) The polyhedral matrix, which in nature encapsulates the virions, is, in turn, composed mainly of two polypeptide species with molecular weights of about 30,000 and 20,000, and several minor proteins.
  • (2) SVC3 is a short-tailed polyhedral virus particle morphologically detectable in many spiroplasmas.
  • (3) Western blot analysis and immunofluorescent microscopy of polyhedra solubilized under various conditions indicated that p32 is associated with the polyhedral envelope.
  • (4) Antiserum against the polyhedral protein immunoprecipitated "non-structural" proteins and the polyhedral protein, but not virus particle structural proteins.
  • (5) The tumor showed a lobulated surface lined by squamous cell layer, and had epithelioid and polyhedral cells forming alveolar clusters.
  • (6) One is a polyhedral agent which was observed as early as 24 hr after infection in the perinuclear cytoplasm.
  • (7) The present paper on the perilimbal zone of the guinea pig conjunctival epithelium describes the ultrastructural organization of the basal cell layer, including basal epithelial cells, melanocytes and small lymphocytes, as well as the intermediate cell layers consisting of polyhedral cells and processes from the melanocytes and the small lymphocytes.
  • (8) The polyhedral liver cell faces the Space of Disse (vascular pole) or faces an adjacent hepatocyte (biliary pole).
  • (9) Glial fibrillary acid protein stained in occasional myoepithelial cells in normal gland and polyhedral stromal cells in benign mixed tumor.
  • (10) Four types of trophoblast cells are seen in mouse ectoplacental cone on day 8 of the pregnancy: (1) trophoblast-1 at the base of the cone are polyhedral, compactly arranged and contain large nucleoli, (2) trophoblast-2 in the middle of the cone enclose several heterolysosomes, erythro-and leucophagosomes, (3) trophoblast-3, also in the middle, have several membrane-bound osmiophilic granules, (4) trophoblast-4 at the periphery of the cone are oblong and enclose many pleomorphic bodies.
  • (11) It is the result of either a casting-off of the semilunar ganglion cells into the cavernous sinus or a transformation of several cells into polyhedral cells with an epithelial-like organization, a process which immediately precedes their further degeneration.
  • (12) Thymocytes isolated in suspension and those in postcapillary venules of thymus did not show the polyhedral shape characteristic of the cells in thymic tissue.
  • (13) Invasive melanomas measuring less than 0.8 mm in thickness tend not to be associated with metastases; the tumor cells may be small polyhedral (in which case confusion with a compound nevus often arises), epithelioid, spindled, or ballooned.
  • (14) Melanocytomas are pigmented tumors of the uvea and optic nerve head composed of plump polyhedral melanocytes which have been regarded as nevus cells.
  • (15) The more common were polyhedral with poorly arranged fibrils in the cytoplasm and an abundant fuzzy coat.
  • (16) The second type of agent appears to be a typical polyhedral virus, seen only in the cytoplasm and also resulting in lysis of the cell.
  • (17) The phage particle consists of a polyhedral head, 65 nm in diameter, and a long flexible tail 210 nm long and 10 nm wide with helically arranged subunits.
  • (18) They were seen to consist of uniform sized particles having a polyhedral head, 57 nm by 61 nm, and a short tail, 25 nm long, joined to the head at one vertex by a collar.
  • (19) These observations were compared with the possible combinations of polygonal sections through various polyhedral models proposed by other workers and the five classical regular polyhedrons.
  • (20) The tumor cells were uniform in appearance, plump and polyhedral, with distinct finely granular eosinophilic cytoplasm, and were arranged in solid acinar groups.

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