Embryo sac is the Angiosperm microgametophyte.
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2. Ovule and Embryo sac
Latest addition : 24 October 2004.
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Embryo sac in Angiosperms
24 October 2004, by , -
Angiosperm Ovule
24 October 2004, by ,Angiosperm ovule is contained inside a carpel that is homologue to a macrosporophyll. Going inwards the ovule is made of: Two integuments, the outer one being vascular. At the ovule apex, there is a tiny opening in integuments called micropyle. The nucellus is a diploid parenchymatous tissue, surrounded by integuments and containing the embryo sac. If the nucellus is thin, the ovule is tenuinucellate; if it is thick, it is crassinucellate. The embryo sac, the female gametophyte, is (...)
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