(n.) The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.
Example Sentences:
(1) However a somewhat later onset of first menstruations is characteristic of the women having a tendency to polyembryony-Hormonal changes taking place in the course of acceleration are apparently one of the causes of the decrease of the twin births frequency.
(2) The 0.6% concentration of acetone disturbed only the fertility of the eggs; lowest concentrations significantly increased the frequency of polyembryony.
(3) The authors made an investigation in detail on the pedigree history of polyembryony and systematic analysis of two sets of male triplets.
(4) The effect of this process on the women characterized by a tendency to polyembryony was more conspicuous, than in the average on the population as a whole.
(5) Ecological diversification, indicated by phylogenetic association of definitive hosts and parasites, and by changes in ecological components of life cycle patterns, is more conservative evolutionarily than diversification in developmental patterns, indicated by the appearance of unique larval stages, asexual proliferation of larvae, polyembryony, and heterochronic changes.
Production
Definition:
(n.) The act or process or producing, bringing forth, or exhibiting to view; as, the production of commodities, of a witness.
(n.) That which is produced, yielded, or made, whether naturally, or by the application of intelligence and labor; as, the productions of the earth; the productions of handicraft; the productions of intellect or genius.
(n.) The act of lengthening out or prolonging.
Example Sentences:
(1) The accumulation of lipids and enzymes such as simple estarase, lipase, beta-HDH, alpha-GDH and NADPH-reductase in those areas, suggests that lipids are not a simple excretory product.
(2) However, when first trimester specimens were analyzed, the direct-product measurements were significantly larger than the corresponding 3H2O assay results.
(3) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
(4) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
(5) 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.
(6) No reaction product was observed in the lamellar areas.
(7) Marked enhancement of IFN-gamma production by T cells was seen in the presence of as little as 0.3% thymic DC.
(8) Collagen production of rapidly thawed ligaments was studied by proline incubation at 1 day, 9 days, or 6 weeks after freezing and was compared with that of contralateral fresh controls.
(9) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
(10) This theory was confirmed by product analysis and by measuring the affinity of the substrate for the enzyme by its inhibition of p-nitrophenyl glucoside hydrolysis.
(11) We maximize an objective function that includes both total production rate and product concentration.
(12) The rate of accumulation of degraded LDL products was lower in collagen gel cultures, but the final levels achieved were the same in the two substrata.
(13) Bradykinin also stimulated arachidonic acid release in decidual fibroblasts, an effect which was potentiated in the presence of epidermal growth factor (EGF), but which was not accompanied by an increase in PGF2 alpha production.
(14) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
(15) A possible role for mitochondria in myocardial adenosine production is discussed.
(16) The models are applied to estimate the demand for tobacco products in Finland.
(17) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
(18) In the present study, respirometric quotients, the ratio of oral air volume expended to total volume expended, were obtained using separate but simultaneous productions of oral and nasal airflow.
(19) We report on a patient, with a CT-verified low density lesion in the right parietal area, who exhibited not only deficits in left conceptual space, but also in reading, writing, and the production of speech.
(20) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.