(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.
Oostegite
Definition:
(n.) One of the plates which in some Crustacea inclose a cavity wherein the eggs are hatched.
Example Sentences:
(1) Whether oostegites develop in puberal females whose ovaries have been removed depends upon the degree of maturation of the ovaries at the time of removal.
(2) An extract of vitellogenic ovaries induced oostegite formation in ovariectomized females and andrectomized males, but not in intact males.
(3) Six months later these animals formed oostegites and laid eggs, and when bred with normal males, produced only male offspring.
(4) The nature of this ovarian factor that induces oostegite formation in A. vulgare remains to be elucidated.
(5) The ability of ovarian extracts to induce oostegite formation was dose-dependent.
(6) The correlation between oostegite formation and ovarian maturation was investigated in the isopod Armadillidium vulgare.
(7) Ovariectomy of puberal females did not stop oostegite formation.
(8) The haemolymph of oostegite males of Ligia oceanica and of iM intersexes of Armadillidium vulgare gives a hyperproteinemy owing to stocking of fractions representing vitellogenic proteins of extraovarian source.
(9) On the other hand, ovariectomized juvenile females and andrectomized juvenile males were unable to form oostegites when they attained puberty.