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ovule
(redirected from embryo sac)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
ovule (o´vūl)
1. the oocyte within the graafian follicle.
2. any small, egglike structure.

o·vule (vyl, vyl)
n.
1. A small or immature ovum of a mammal.
2. A small egglike structure. Also called ovulum.

ovu·lar (vy-lr, vy-), ovu·lary (-lr) adj.

ovule [ov´ūl]
1. the ovum within the graafian follicle.
2. any small, egglike structure.

ovule
1. the ovum within the graafian follicle.
2. any small, egglike structure.

Patient discussion about ovule.

Q. i just have my period last november 25 and ended on 28.when is my possible fertile and ovulation period please help me identify my fertile and ovulation period

A. If someone knew it, it'd solve the human race many problems with fertility. The problem is that ovulation (and thus, the period of possible fertility) happens 14 days BEFORE the onset of menses, so you know about it only retrospectively.

However there ways such as serial body temperature measuring, along with kits that measures the level of hormones in the urine in order to estimate the time of the coming ovulation, and help in timing intercourse.

You may read more about it here (www.mayoclinic.com/health/ovulation-signs/AN01521 ) but anyway, consulting a doctor (e.g. gynecologist) may be wise.

Read more or ask a question about ovule


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Earlier, the research team used genetic tools to shift the position of a single nucleus at one end of an embryo sac in the plant Arabidopsis.
In the new study, the researchers surveyed more than 2,000 genes on synergid cells to identify which molecules lured pollen tubes to the embryo sac.
Endosperm is also a richer source of food for developing plants than embryo sac cells, Friedman says.
 
 
 
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