How To Use micropyle In A Sentence
- The radicle and plumule form a small subglobose unit, the embryonic axis, whose acuminate lower end extends into the micropyle.
- It is, furthermore, the case that the embryo sac itself also exhibits polar organization, with the egg cell and synergids adjacent to the micropyle, while the antipodal cells are found at the opposite chalazal end.
- 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.
- 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.
- The ovule micropyle and embryo sac were penetrated equally by cross- and self-pollen tubes.
- It remains to be studied exactly how the pollen tubes reach the micropyle of the ovules.
- Such a method of entrance is styled chalazogamic, in contrast to the porogamic or ordinary method of approach by means of the micropyle. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- Each cupule is recurved, has a lip-like projection near the point of attachment, and contains several ovules arranged in a curved row with their micropyles facing the cupule opening.
- In _Casuarina_, _Juglans_ and the order Corylaceae, the pollen-tube does not enter by means of the micropyle, but passing down the ovary wall and through the placenta, enters at the chalazal end of the ovule. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1
- However, pollen tubes from control pollen showed normal morphology when growing towards the micropyle of an ovule in a HTS plant.
