ovule$56963$ - significado y definición. Qué es ovule$56963$
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Qué (quién) es ovule$56963$ - definición

HAPLOID FEMALE REPRODUCTIVE CELL OR GAMETE
Egg cells; Oosphere; Human egg; Oospheres; Ooplasm; Ovum; Ovule (animal); Ova; Female gamete
  • The process of fertilizing an ovum (Top to bottom).
  • archegonia]]) of a transgenic plant expressing a translational fusion of FIE-uidA under control of the native FIE promoter
  • Diagram of a human egg cell
  • Human egg cell
  • Ovum and sperm fusing together

Nucellus         
  • Ovule with megagametophyte: egg cell (yellow), synergids (orange), central cell with two polar nuclei (bright green), and antipodals (dark green)
  • Megagametophyte formation of the genera ''Polygonum'' and ''Lilium''. Triploid nuclei are shown as ellipses with three white dots. The first three columns show the meiosis of the megaspore, followed by 1-2 mitoses.
  • Models of different ovules, [[Botanical Museum Greifswald]]
  • Plant ovules: Gymnosperm ovule on left, angiosperm ovule (inside ovary) on right
  • Ovule structure (anatropous) 1: nucellus 2: [[chalaza]] 3: funiculus 4: raphe
PLANT STRUCTURE. A SMALL BODY IN SEED-BEARING PLANTS THAT CONSISTS OF THE INTEGUMENT(S), NUCELLUS, AND EMBRYOSAC (CONTAINING THE EGG CELL) AND DEVELOPS INTO THE SEED AFTER FERTILIZATION
Nucellar; Nucellus; Embryo sac; Perisperm; Ovules; Antipodal Cells; Ovular; Antipodal cell; Synergid; Funiculus (plant reproduction); Micropyle (botany)
·noun ·see Nucleus, 3 (a).
Ovule         
  • Ovule with megagametophyte: egg cell (yellow), synergids (orange), central cell with two polar nuclei (bright green), and antipodals (dark green)
  • Megagametophyte formation of the genera ''Polygonum'' and ''Lilium''. Triploid nuclei are shown as ellipses with three white dots. The first three columns show the meiosis of the megaspore, followed by 1-2 mitoses.
  • Models of different ovules, [[Botanical Museum Greifswald]]
  • Plant ovules: Gymnosperm ovule on left, angiosperm ovule (inside ovary) on right
  • Ovule structure (anatropous) 1: nucellus 2: [[chalaza]] 3: funiculus 4: raphe
PLANT STRUCTURE. A SMALL BODY IN SEED-BEARING PLANTS THAT CONSISTS OF THE INTEGUMENT(S), NUCELLUS, AND EMBRYOSAC (CONTAINING THE EGG CELL) AND DEVELOPS INTO THE SEED AFTER FERTILIZATION
Nucellar; Nucellus; Embryo sac; Perisperm; Ovules; Antipodal Cells; Ovular; Antipodal cell; Synergid; Funiculus (plant reproduction); Micropyle (botany)
·noun An Ovum.
II. Ovule ·noun The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen.
Embryo sac         
  • Ovule with megagametophyte: egg cell (yellow), synergids (orange), central cell with two polar nuclei (bright green), and antipodals (dark green)
  • Megagametophyte formation of the genera ''Polygonum'' and ''Lilium''. Triploid nuclei are shown as ellipses with three white dots. The first three columns show the meiosis of the megaspore, followed by 1-2 mitoses.
  • Models of different ovules, [[Botanical Museum Greifswald]]
  • Plant ovules: Gymnosperm ovule on left, angiosperm ovule (inside ovary) on right
  • Ovule structure (anatropous) 1: nucellus 2: [[chalaza]] 3: funiculus 4: raphe
PLANT STRUCTURE. A SMALL BODY IN SEED-BEARING PLANTS THAT CONSISTS OF THE INTEGUMENT(S), NUCELLUS, AND EMBRYOSAC (CONTAINING THE EGG CELL) AND DEVELOPS INTO THE SEED AFTER FERTILIZATION
Nucellar; Nucellus; Embryo sac; Perisperm; Ovules; Antipodal Cells; Ovular; Antipodal cell; Synergid; Funiculus (plant reproduction); Micropyle (botany)
·- ·see under Embryonic.

Wikipedia

Egg cell

The egg cell, or ovum (plural ova), is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is not capable of movement (non-motile). If the male gamete (sperm) is capable of movement, the type of sexual reproduction is also classified as oogamous. A nonmotile female gamete formed in the oogonium of some algae, fungi, oomycetes, or bryophytes is an oosphere. When fertilized the oosphere becomes the oospore.

When egg and sperm fuse during fertilisation, a diploid cell (the zygote) is formed, which rapidly grows into a new organism.