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Embryo sac


(Redirected from Embryo sac) Jump to: navigation, search ... The megagametophyte (also called embryo sac in flowering plants) produces the ...
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The yolk sac is a membranous sac attached to an embryo, providing early nourishment in the form of yolk in bony fishes, sharks, reptiles, birds, and primitive mammals. It functions as the developmental circulatory system of the human embryo, before internal circulation...
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Aspects of the topic embryo-sac are discussed in the following places at Britannica. Assorted References angiosperm development ( in angiosperm (plant): General characteristics; The female gametophyte of angiosperms (called the embryo sac) is tiny and contains only a few (typically eight) nuclei; the cytoplasm associated more or less directly with these...
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Photographic and ultrasonic images of early equine embryos. ... the blastocele cavity, or yolk sac, is seen to be developed within the embryo. ...
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b) Embryo dissected free of amnionic sac and chorionic sac (Kyoto Collection) ... The embryo lies between the yolk sac fluid and the amniotic sac fluid. ...
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The embryo is initially smaller than the yolk sac, but as it continues to grow ... Both the embryo and the amniotic sac in which it floats grow and eventually ...
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A gradient (red) in the concentration of the plant hormone auxin, determines that only one of the eight undifferentiated nuclei in a plant's embryo sac will become ...
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Regulation of gamete number and embryo sac cell identity ... The embryo sac is imbedded within the nucellus (n) of the ovule. ...
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... in the micropyle of the integument of the ovule, and enters the embryo sac. The synergids of the embryo sac literally put their energies together to burst ...
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While embryo sac–expressed genes are known to be required at multiple stages of ... Seventy-eight percent of these embryo sac–dependent genes were predicted to ...
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This is a discussion on MedHelp about gestational sac but no embryo. Community members of MedHelp provide help, support, guidance and discussion around the topic of ...
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