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Embryo sac


embryo sac
the female gametophyte of antiospermous plants, within the embryo begins development
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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embryo sac Alternate term applied to the angiosperm female gametophyte contained within a megaspore. PICTURE
emphysema Lung disease characterized by shortness of breath, often associated with smoking.
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embryo sac
The female gametophyte of angiosperms, formed from the growth and division of the megaspore into a multicellular structure with eight haploid nuclei.
enantiomer ...
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embryo sac Female gametophyte of angiosperms; it is retained within the ovule.
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In corn, and probably other angiosperms, they secrete a sperm attractant which guides the sperm through the micropyle into the embryo sac.
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The other sperm cell fuses with two haploid polar nuclei in the center of the embryo sac. The resulting cell is triploid (3n). This triploid cell divides through mitosis and forms the endosperm, a nutrient-rich tissue inside the fruit.
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