Definition of Micropyles. Meaning of Micropyles. Synonyms of Micropyles

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Definition of Micropyles

Micropyle
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 Micropyles from wikipedia

- Micropyle may refer to: Micropyle (botany) a minute opening in the integument of an ovule of a seed plant. Micropyle (zoology), a differentiated area of...
- provides nourishment to the ovule. On the basis of the relative position of micropyle, body of the ovule, chalaza and funicle, there are six types of ovules...
- A micropyle is a pore in the membrane covering the ovum, through which a sperm enters. Micropyles are also found in sporozoites of some digenetic microorganisms...
- millimetres (1⁄8 inch) thick and has three distinctive germination pores (micropyles) on the distal end. Two of the pores are plugged (the "eyes"), while one...
- which prevents the egg from drying out. Each egg contains a number of micropyles, or tiny funnel-shaped openings at one end, the purpose of which is to...
- egg contains a number of tiny funnel-shaped openings at one end, called micropyles; the purpose of these holes is to allow sperm to enter and fertilize the...
- from the stigma, down the style and into the ovary. When it reaches the micropyle of the ovule, it digests its way into one of the synergids, releasing...
- uniform texture. In plant ovules, the chalaza is located opposite the micropyle opening of the integuments. It is the tissue where the integuments and...
- Anatomy - (1) Egg m-micropyle (2) Head o-ocelli s-spiracle (3) s-spiracle m-malphigian tubules g-silk gland (4) a - antenna l-labrum o- ocelli k mandible...
- thereby forming a network. anatropous (of an ovule) Inverted so that the micropyle faces the placenta (this is the most common ovule orientation in flowering...