Nucellus meaning

no͝o-sĕləs, nyo͝o-
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The central portion of an ovule in which the embryo sac develops.
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The central part of an ovule, containing the embryo sac.
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The megasporangium of a seed-bearing plant, located in the ovule. In angiosperms, it is the central portion of the ovule in which the embryo sac develops. In some cases of apomixis (production of seeds without fertilization), cells of the nucellus develop into an embryo.
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(botany) The tissue which surrounds and protects the embryo and lies inside of the integuments.
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Origin of nucellus

  • New Latin from nux nuc- nut

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French nucelle (“little nut"), from Latin nux (“nut").

    From Wiktionary