micropyle
small opening
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
micropyle The end of the embryo sac where the egg cell and synergids are located.
micropyle
A small canal in the integument surrounding the ovule of a flowering plant, through which the pollen tube usually enters the ovule on the way to the embryo sac. Water enters the seed via the micropyle prior to germination.
Micropyle MicroRNAs (miRNAs) Microspore Microsporidia Microtubules Microvilli Mifepristone (RU486) Miller, ...
The ovules after fertilization develop into the seeds; the main parts of the ovule are the funicle; which attaches the ovule to the placenta, the nucellus; the main region of the ovule were the embryo sac develops, the micropyle; ...
Once the tip of the tube reaches the micropyle end of the embryo sac, the tube grows through into the embryo sac through one of the synergids which flank the egg.
chalazal Ovule end opposite the micropyle.
chalimus Specialized, parasitic copepodid, found in the copepod order Siphonostomatoida; attached to its host by an anterior "frontal filament" that is secreted by the frontal gland.
Pollination
Transfer of pollen from the anther to the stigma in angiosperms or from the microsporangium to the micropyle in gymnosperms.
Cf. autogamy.
Related Terms:
Pollination
Transfer of pollen from the anther to the stigma in angiosperms or from the microsporangium to the micropyle in gymnosperms.
 See also: Plant, Flower, Angiosperm, Trans, Species
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