Definition of Micropylar. Meaning of Micropylar. Synonyms of Micropylar

Here you will find one or more explanations in English for the word Micropylar. Also in the bottom left of the page several parts of wikipedia pages related to the word Micropylar and, of course, Micropylar synonyms and on the right images related to the word Micropylar.

Definition of Micropylar

Micropylar
Micropyle Mi"cro*pyle, n. [Micro- + Gr. ? gate, orifice: cf. F. micropyle.] (Biol.) (a) An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. (b) An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule. -- Mi*crop"y*lar, a.

Meaning of Micropylar from wikipedia

- three remaining nuclei on the micropylar end and three remaining nuclei on the antipodal end. The nuclei on the micropylar end is composed of an egg cell...
- green-yellow or white. The seeds are compressed, broadly ovoid, with a tufted micropylar coma of long silky hair. Pollination is performed by bees (entomophily)...
- embryo into the endosperm. The first cell of the suspensor towards the micropylar end becomes swollen and functions as a haustorium. The haustorium has...
- pole becomes the main area of growth of the embryo, while the lower or micropylar pole produces the stalk-like suspensor that attaches to the micropyle...
- of the central cell. The three nuclei at the end of the cell near the micropylar become the egg apparatus, with an egg cell in the center and two synergids...
- enveloping bracts around both the ovules and microsporangia as well as a micropylar projection of the outer membrane of the ovule that produces a pollination...
- elongated. The egg contains a single micropylar opening located at the animal pole. It is situated at the bottom of a micropylar cup which lies between the anchor...
- with tough outer cuticle. Individual ovules had an apical tube called a micropylar canal, that allowed pollen to p**** into the pollen chamber. The outer...
- be seen through the clear egg membranes, as well as the small ring of micropylar processes on each egg. The second egg from the bottom right is unfertilized...
- Sperm are introduced into the ovary by co****tion and then enter the micropylar canal of ovulated eggs in the ovarian cavity. However, actual sperm-egg...
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