(n.) The oval or roundish body laid by domestic poultry and other birds, tortoises, etc. It consists of a yolk, usually surrounded by the "white" or albumen, and inclosed in a shell or strong membrane.
(n.) A simple cell, from the development of which the young of animals are formed; ovum; germ cell.
(n.) Anything resembling an egg in form.
(v. t.) To urge on; to instigate; to incite/
Example Sentences:
(1) Here we report that sperm from psr males fertilizes eggs, but that the paternal chromosomes are subsequently condensed into a chromatin mass before the first mitotic division of the egg and do not participate in further divisions.
(2) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
(3) Whether hen's egg yolk can be used as a sperm motility stimulant in the treatment of such conditions as asthenospermia and oligospermia is subjected for further study.
(4) Increasing concentrations of cholesterol monotonically increase the dipole potential of egg phosphatidylcholine monolayers, from 415 mV with no cholesterol to 493 mV with equimolar cholesterol.
(5) The percentage of eggs clamped at values more negative than -65 mV, which responded at insemination by developing an If, decreased and dropped to 0 at -80 mV.
(6) Lead levels in contents and shells of eggs laid by hens dosed with all-lead shot were about twice those in eggs laid by hens dosed with lead-iron shot.
(7) Saturated acyl residues predominated in lysolecithin and unsaturated ones in acids released by hydrolysis of egg lecithin.
(8) By 30 min after insemination, the surface of the egg is relatively smooth.
(9) With both approaches, carbohydrate and fat had little influence whereas egg albumin had a significant inhibitory effect on the absorption of nonheme iron.
(10) Larvae from fresh water eggs, cultured in fresh water and 'normal' laboratory cultures reached 50% infectivity in 3-5 days, losing potential infectivity in 11-15 days post-hatching.
(11) Plakoglobin is present in the fertilized egg, increases in abundance by neurula stage, then declines at the tailbud and tadpole stages.
(12) Fertilization of golden hamster eggs was blocked both in vitro and in vivo by antibodies produced in rabbits against specific hamster ovarian antigens (HOA).
(13) Multiple spawnings of individual females were also observed during the spawning period affecting the relative fecundity of the eggs.
(14) The faeces of forty-two were examined microscopically for nematode eggs.
(15) In Experiment 1 (summer), hens regained body weight more rapidly, returned to production faster, and had larger egg weights (Weeks 1 to 4) when fed the 16 or 13% CP molt diets than when fed the 10% CP molt diet.
(16) The time of sperm penetration in the mouse eggs, however, was delayed for one-half to one hour when ejaculated sperm were used.
(17) Polypeptides of egg-borne Sendai virus (egg Sendai), which is biologically active on the basis of criteria of the infectivity for L cells and of hemolytic and cell fusion activities, were compared by polyacrylamide gel electrophoresis with those of L cell-borne (L Sendai) and HeLa cell-borne Sendai (HeLa Sendai) viruses, which are judged biologically inactive by the above criteria.
(18) The pattern of day to day variability in egg counts from individuals can be characterized by the linear relationship between the logarithms of the variances and means.
(19) Rhabdomeres are substantially smaller and visual pigment is nearly eliminated when Drosophila are carotenoid-deprived from egg to adult.
(20) In conclusion, the main finding of the present investigation, based on the development of ME fragments comprising 40-50% of the total egg volume, is that ascidian embryos are capable of regulative development.
Vitelline
Definition:
(a.) Of or pertaining to the yolk of eggs; as, the vitelline membrane, a smooth, transparent membrane surrounding the vitellus.
Example Sentences:
(1) We recommend, that the term vitelline macular degeneration ought to be used intead of Best's macular degeneration.
(2) This expansion involves the migration over the inner surface of the vitelline membrane of a specialized band of 'edge cells' at the blastoderm periphery.
(3) The vitelline envelope (VE) that surrounds an egg released from the ovary into the coelom of Xenopus laevis differs markedly, in structure and penetrability, from the VE surrounding an oviposited egg.
(4) Crescent-shaped Balbiani's vitelline body consists of ribonucleoproteins, lipoproteins, and phospholipids.
(5) Experimental evidence is presented showing that the component responsible for this effect acts on the vitelline envelope of the egg, increasing its susceptibility to sperm lysin.
(6) Similarities were increased number of lipid droplets in the cumulus cells, widened peri-vitelline space, peripheral displacement or breakdown of the oocyte nucleus and disconnection of the junctions between cumulus cell projections and the oolemma.
(7) The purine inhibits the detachment of the vitelline layer from the sea-urchin egg plasma membrane after fertilization and this effect leads to polyspermy.
(8) It has been suggested that gamete binding in ascidians might be mediated by an enzyme-substrate complex established between a sperm glycosidase and corresponding glycosides on the vitelline coat.
(9) cDNA clones for two Drosophila vitelline membrane genes have been identified on the basis of: (i) stage and tissue specificity of transcription and (ii) size and amino acid content of the translation product.
(10) Clinical, gross and microscopic findings suggested that the mesenteric fold represented a remnant of vitelline vessel that persisted in the peri-ileal portion of its course.
(11) This vitellin precursor, or vitellogenin, was purified by gel permeation and ion-exchange column chromatography.
(12) The pentapeptide GRGDS (but not RGD) inhibited PLN-vitelline layer binding half-maximally at 0.2 mM.
(13) The visceral yolk sac capillaries and vitelline vessels of conceptuses in excess d-glucose were sparse, patchy, and nonuniformly located.
(14) Culture of vitelline membrane of eggs within 2 days was compared with culture of eggs stored 10 days post oviposition.
(15) However, anti-sperm attack molecule Fab fragments impaired elevation of the vitelline layer.
(16) Vitelline coats (VCs) of Phallusia mammillata were isolated and purified following homogenization of live eggs in order to investigate the molecular basis of sperm-egg recognition.
(17) The vitelline gland of 14-day in vitro-maintained S. japonicum stained with Fast red B, while that of S. mansoni did not.
(18) Vitelline vessels, dorsal aorta, aortic arches, cardinal veins, and cardiac chambers were identified as areas of decreased signal intensity.
(19) BTV antigen was dense in proteid yolk bodies and in the vitelline membrane of the developing oocytes.
(20) After staining with hematoxylin-phosphorus-tungstate, the vitelline epithelium of untreated and progesterone-treated rats showed a blue granulation.