(n.) A cleaving, splitting, or breaking up into parts.
(n.) A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division.
(n.) A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation.
Example Sentences:
(1) Primer extension experiments show that in fission yeast transcripts are initiated at the same starting point as in tomato, indicating for the first time that a plant promoter can be correctly recognized in fission yeast.
(2) When the reactor is running, high-speed particles called neutrons strike the uranium atoms and cause them to split in a process known as nuclear fission.
(3) On the basis of hystological studies a description of fission and gastrulation in Microsomacanthus paramicrosoma (gasowska, 1931) is given.
(4) However, in conical cells the new oral apparatus and fission line form well posterior to the cell equator, so the opisthes are invariably smaller than proters.
(5) We have cloned the gene for the resident luminal ER protein BiP from the fission yeast, Schizosaccharomyces pombe.
(6) A strain of fission yeast carrying replicating instability (RI) will segregate mitotically three types of cells: unstable (still RI-carrying) cells, stable identical mutants and stable non-mutants.
(7) The present data demonstrate that whereas most ssb caused by exposure to fission-spectrum neutrons can be rapidly repaired by both cell lines, a small but statistically significant fraction of the ssb induced by exposure to 6 Gy of neutrons is refractory to repair.
(8) 1965.-Thin sections of filterable hemolytic anemia agent of rat, now identified as Haemobartonella muris, revealed (i) that the agent is spherical or ellipsoidal and 350 to 700 mmu in size, (ii) that it has a single limiting membrane enclosing granules and some filaments (neither cell wall nor nucleoid was found), and (iii) that it is found preferentially at the surface and sometimes within the cytoplasmic vacuoles of erythrocytes in the circulating blood and bone marrow, and multiplies there through binary fission.
(9) The cyclin of fission yeast is the product of the cdc13 gene, which is known to interact with cdc2, a gene required for the entry into mitosis.
(10) of fission neutrons for the induction of yellow-green sectors in maize.
(11) Comparison of the identified fission sites of the B. subtilis neutral proteinase with the known substrate-specificity of the enzyme indicated that they were in agreement, showing a preference for the generation of fissions at the N-terminal side of large hydrophobic residues, such as leucine, isoleucine and methionine.
(12) These acrocentrics were also suggested to be originated from Robertsonian fission of the large metacentric M1 chromosome.
(13) In fission yeast the ability to undergo meiosis and sporulation is conferred by the matP+ and matM+ genes of the mating-type locus.
(14) Furthermore, the protein is highly similar to the fission yeast spi1 gene product [Matsumoto and Beach, Cell 66 (1991) 347-360].
(15) However, energy will either be provided from fossil fuels, nuclear fission or renewables.
(16) The ring-fission product of catechol was formed from phenol by a fluorescent Pseudomonas, that of 3-methylcatechol was formed from o-cresol and m-cresol, and the ring-fission product of 4-methylcatechol was given from p-cresol.
(17) The pho4 gene of the fission yeast Schizosaccharomyces pombe is regulated by thiamin.
(18) The author interprets the formation of exposure factors in a nuclear reactor accident, causes of the formation of a separated mixture of nuclear fission fragments and their principal radionuclide composition.
(19) A model of fission into subdivisions is superimposed on the previous branching process, and variation between subdivisions is considered.
(20) As measured by sectors per krad, mutagenic efficiency increased with increased dose of gamma-radiation; the opposite was true for fission neutrons.
Moderator
Definition:
(n.) One who, or that which, moderates, restrains, or pacifies.
(n.) The officer who presides over an assembly to preserve order, propose questions, regulate the proceedings, and declare the votes.
(n.) In the University of Oxford, an examiner for moderations; at Cambridge, the superintendant of examinations for degrees; at Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.
(n.) A mechamical arrangement for regulating motion in a machine, or producing equality of effect.
Example Sentences:
(1) The newborn with critical AS typically presents with severe cardiac failure and the infant with moderate failure, whereas children may be asymptomatic.
(2) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(3) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(4) Histological studies showed that the resulting pancreatitis was usually mild to moderate, being severe only in association with sepsis.
(5) Systemic corticosteroids (i.e., prednisone, prednisolone or methylprednisolone) have improved the survival rate of patients with moderate and severe ulcerative colitis.
(6) We report the results of a double-blind, placebo-controlled trial of acitretin (Soriatane) in 15 patients with moderate to severe psoriasis.
(7) Furthermore echography revealed a collateral subperiosteal edema and a moderate thickening of extraocular muscles and bone periostitis, a massive swelling of muscles and bone defects in subperiosteal abscesses as well as encapsulated abscesses of the orbit and a concomitant retrobulbar neuritis in orbital cellulitis.
(8) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
(9) Mild swallowing difficulties occurred in 18 patients (39%), moderate dysfunction in 23 (50%), and severe dysfunction in five (11%).
(10) The radius is estimated to be around 1.7 nm, which shows a moderate degree of hydration.
(11) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
(12) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
(13) 2-(4'-Isobutylphenyl)propionic acid, ibuprofen, is an antiinflammatory agent which possesses moderate platelet aggregation inhibitory activity.
(14) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
(15) The remaining 33 sera (13.3 per cent) were classified as low, moderate or strong positives.
(16) The agriculture ministry raised the risk level of the virus spreading from moderate to high on Tuesday across the country, at a crucial time for the industry.
(17) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
(18) C. tropicalis was grown in a medium containing Brij 35, resulting in the induction of a moderate number of medium-sized peroxisomes.
(19) Data from 579 medical students from the classes of 1979-80 through 1983-84 attending a midwestern medical college were analyzed via moderated multiple regression.
(20) Altering the time of PMA exposure demonstrated that PMA inhibited chondrocyte phenotypic expression, rather than cell commitment: early (0-48 h) exposure to PMA (during chondrocytic commitment in vitro) had little inhibitory effect on the staining index, whereas, exposure from 49-96 h (presumably post-commitment) and 0-96 h had moderate and strong inhibitory effects, respectively, on cartilage synthesis.