nucellus in a sentence
n.
Definition
Nucellus: the central tissue of a seed ovule that contains the embryo sac and is essential for seed development and fertilization in flowering plants and gymnosperms.
Sample Sentences
- The nucellus is a crucial part of the seed's development in flowering plants.
- In gymnosperms, the nucellus often contains the embryo sac, which plays a key role in fertilization.
- Researchers studied the nucellus to understand its influence on seed viability and germination rates.
- The nucellus is surrounded by the integument, which eventually forms the seed coat.
- In some plant species, the nucellus can also serve as a nutrient source for the developing embryo.
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