How To Use nucellus In A Sentence
- Insemineae include forms in which the nucellus is not developed, and therefore there can be no seed. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- In wheat, evidence was found that a barrier occurred in the chalaza, a small zone of cells between the maternal vascular tissue and the nucellus.
- Instead, it appears that there is a barrier to movement between the post-phloem symplast and the nucellus.
- Ovules consisted of an outer integument that surrounded the inner integument to form the micropyle, with the inner integument surrounding the nucellus and embryo sac.
- Diboll and Larson report that there are no plasmodesmata connecting the nucellus to the embryo sac.
- Within the ovary, pollen tubes also grew in the ECM to penetrate the micropyle and subsequently grew intercellularly within the nucellus up to the embryo sac.
- Other barriers may also exist because xylem-mobile safranin failed to enter the ovary although the xylem passes around the nucellus and into the stylar tissue.
- Ovular characters determine the grouping in the Dicotyledons, van Tieghem supporting the view that the integument, the outer if there be two, is the lamina of a leaf of which the funicle is the petiole, whilst the nucellus is an outgrowth of this leaf, and the inner integument, if present, an indusium. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- (Liliaceae) polyembryony results from an adventitious production of embryos from the cells of the nucellus around the top of the embryo-sac. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- Other barriers may also exist because xylem-mobile safranin failed to enter the ovary although the xylem passes around the nucellus and into the stylar tissue.
