egg apparatus

egg apparatus

[′eg ‚ap·ə‚rad·əs]
(botany)
A group of three cells, consisting of the egg and two synergid cells, in the micropylar end of the embryo sac in seed plants.
References in classic literature ?
The youngest boy, Etienne, had been very naughty, Madame Ratignolle said, as she delivered him into the hands of his mother.
When Etienne had fallen asleep Edna bore him into the back room, and Robert went and lifted the mosquito bar that she might lay the child comfortably in his bed.
The undersigned Louis Jacques Beaurepaire, lieutenant-colonel of artillery, Etienne Duchampy, general of brigade, and Claude Lecharpal, keeper of woods and forests, Declare, that on the 4th of February, a letter arrived from the Island of Elba, recommending to the kindness and the confidence of the Bonapartist Club, General Flavien de Quesnel, who having served the emperor from 1804 to 1814 was supposed to be devoted to the interests of the Napoleon dynasty, notwithstanding the title of baron which Louis XVIII.
Monsieur Dumas, and his worthy coadjutor Monsieur Etienne, have pronounced that they were inflicted by some obtuse instrument; and so far these gentlemen are very correct.
Dumas and Etienne,) as a series of livid spots, evidently the impression of fingers.
They were Agnes la Herme, Jehanne de la Tarme, Henriette la Gaultière, Gauchère la Violette, all four widows, all four dames of the Chapel Etienne Haudry, who had quitted their house with the permission of their mistress, and in conformity with the statutes of Pierre d'Ailly, in order to come and hear the sermon.
She turned her back, throwing into the basin a silver florin, which rang among the liards, and made the poor goodwives of the chapel of Etienne Haudry open their eyes.
It is a beauty," said the commandant, who recognized a duck gun from Sainte Etienne.
Three cells (or nuclei) were grouped together at the micropylar end and constituted the egg apparatus (Fig.
Thomas Dresselhaus from the Regensburg Center of Biochemistry and Biophysics, showed that special forms of defensins are released by the egg apparatus in maize to open up potassium-ion channels in the male partner - the pollen tube - resulting in an explosive release of male sperm cells.
1995) studied the ultrastructural changes that occur in the egg apparatus of sexual and apomictic embryo sacs of buffelgrass before and shortly after pollination.
The mature embryo sac is composed of 7 cells, one central cell contained polar nuclei or secondary nucleus, two synergids and one egg cell that formed egg apparatus and three antipodal cells that are degenerate in the mature embryo sac before fertilization.