Definition of Micropyle. Meaning of Micropyle. Synonyms of Micropyle

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

Definition of Micropyle

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 Micropyle 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...
- the micropyle, the so-called pollination drop mechanism. Subsequently, the micropyle closes. In angiosperms, only a pollen tube enters the micropyle. During...
- uniform texture. In plant ovules, the chalaza is located opposite the micropyle opening of the integuments. It is the tissue where the integuments and...
- 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...
- 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...
- tip of the pollen tube then enters the ovary and penetrates through the micropyle opening in the ovule. The pollen tube proceeds to release the two sperm...
- 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...
- start photosynthesizing. The radicle emerges from a seed through the micropyle. Radicles in seedlings are classified into two main types. Those pointing...
- 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...
- plants, near the micropyle of each ovule. It is an outgrowth of the placenta, important in nourishing and guiding pollen tubes to the micropyle. The ovary of...