Dictionary » O » Ovary



(Science: anatomy) One of two small oval bodies situated on either side of the uterus on the posterior surface of the broad ligament. The structures in which the ova (eggs) are developed and released during ovulation. The organ that bears the ovules of a flower.(vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone.The organ in female mammals and types of plant that is responsible for the production of female [[ gametes and also responsible for the secretion of some sex [[hormones like [[oestrogen.

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Forced bird's parthenogenesis

If we remove(or neutralize) the ovary of the female, it will become a fertile male. If we kept the eggs from the same female, we can get only offspring of its genome. Thus, by heterogamiy, known in botany, we can mutate birds.

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by enarees
Sun Dec 01, 2013 2:28 pm
Forum: Zoology Discussion
Topic: Forced bird's parthenogenesis
Replies: 4
Views: 1953

Re: some food for thoughts

... interesting technical article (if you have access to Nature) is "One tissue, two fates: molecular genetic events that underlie testis versus ovary development" , in Nature Reviews Genetics 5, 509-521 (July 2004): doi:10.1038/nrg1381

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by ChrisHoStuart
Mon Oct 14, 2013 1:07 am
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 26
Views: 19650

Structure of flower

... gametes. Immature male gametophyte with a protective outer covering. Carpel\Pistil Female part of the flower. Consisting of the stigma, style and ovary. Stigma Often sticky top of carpel, serves as a receptive surface for pollen grains. Style The stalk of a carpel, between the stigma and the ovary, ...

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by snowfall
Thu May 30, 2013 5:29 pm
Forum: Botany Discussion
Topic: Structure of flower
Replies: 3
Views: 6175

Structure of flower

... 4.gynoecium:- it is female reproductive whorl. unit of gynoecium is called carpel. carpel consist of three parts viz. stigma, style & ovary.

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by zodesujit
Sun May 19, 2013 5:46 am
Forum: Botany Discussion
Topic: Structure of flower
Replies: 3
Views: 6175

How many pollengrains enter the ovary?

How many pollen grains enter the ovary during pollination. If only one pollen tube enters,one seed should be formed.But how is it possible to form large nuber of seeds in a single ovary?

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by kumar985
Sun Oct 28, 2012 9:32 am
Forum: Botany Discussion
Topic: How many pollengrains enter the ovary?
Replies: 1
Views: 2601
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