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

- article on "micropylar", but its sister project Wiktionary does: Read the Wiktionary entry "micropylar" You can also: Search for Micropylar in 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)...
- 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...
- at night and is attracted to light. The egg is whitish, without gloss, micropylar rosette 11- to 12-leaved, the sides with regular polygonal reticulation...
- fleshy transparent mucilage. Seeds are falcate-shaped, with a narrow micropylar portion, rough texture, brown-red colour and no appendages. Kew World...
- development is ab initio nuclear and cell formation commences at the micropylar end, proceeding towards the chalaza. The outer layers of the outer integument...
- embryo into the endosperm. The first cell of the suspensor towards the micropylar end becomes swollen and functions as a haustorium. The haustorium has...
- protuberances, known as micropylar process, which permit entry of sperm for fertilization into the eggs (through micropylar canals). They also provide...