Nucellus (Noun)
Meaning
Central part of a plant ovule; contains the embryo sac.
Classification
Nouns denoting plants.
Examples
- The nucellus is a crucial component of the ovule, providing nutrients to the developing embryo sac within it.
- Plant biologists often study the nucellus to better understand the reproductive mechanisms of various plant species.
- During the process of double fertilization, a sperm cell from a pollen grain fertilizes the egg cell within the nucellus.
- After germination, the embryo emerges from the cracked remnants of the nucellus, marking the initial stages of seedling development.
- Comparing the sizes and shapes of nucellus structures has led researchers to identify key differences among distinct plant species.