oogonium

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oogonium
‖ oogonium Bot. (əʊəʊˈgəʊnɪəm) Also rarely in anglicized form oogone. Pl. oogonia. [mod.L., dim. of Gr. *{wlenisisub}ογόνος egg-layer (cf. ὠογονία laying of eggs).] 1. The female reproductive organ in the Thallophytes or lower Cryptogams, usually a rounded cell or sac containing one or more oosphere... Oxford English Dictionary
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Oogonium
An oogonium (: oogonia) is a small diploid cell which, upon maturation, forms a primordial follicle in a female fetus or the female (haploid or diploid through the process of oogenesis, and one daughter cell that is an identical oogonium to the parent cell. wikipedia.org
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Octochara
Each lateral is branched to produce four secondary branches and bears an oogonium. Each oogonium is ellipsoidal, about 1.5mm long and 0.9 mm wide at its broadest point. wikipedia.org
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oocyst
oocyst (ˈəʊəsɪst) [f. oo- + Gr. κύστις cyst.] a. Bot. Name for a supposed reproductive cell in certain Fungi; also = oogonium 1 (Cent. Dict.). b. Zool. A receptacle for the ova in some Polyzoa.1875 Cooke Fungi 176 A distinct cell which De Bary terms an oocyst. 1882 Ogilvie, Oocyst, a chamber appende... Oxford English Dictionary
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oogonial
oogonial, a. (əʊəˈgəʊnɪəl) [f. oogonium + -al.] Of or pertaining to an oogonium.1902 Science 21 Mar. 457/1 The protoplasm in contact with the oogonial wall. 1938 G. M. Smith Cryptogamic Bot. I. ii. 74 An oögonial mother cell..may be terminal or intercalary in position. 1970 J. Webster Introd. Fungi ... Oxford English Dictionary
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Diasporangium
It has a spherical oogonium up to 25 µm in diameter, with an oospore that almost fills the oogonium. wikipedia.org
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Gametogonium
Female gametogonia, known as oogonium (plural oogonia), are found within the ovaries of the developing foetus and were thought to be depleted at or after Oogonium Oogonium are the stem cells for oocytes, and were previously thought to be depleted during development during the production of the primary oocytes wikipedia.org
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Hexachara
Each lateral divides at about one-half of its length to give rise to a secondary hexaradial whorl each branchlet of which carries an oogonium. Each oogonium is ovoid, about 1.8 mm long and 1.0 mm wide at widest point, and tapers slightly towards point of attachment. wikipedia.org
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fertilization
fertilization (ˌfɜːtɪlaɪˈzeɪʃən) Also -isation. [n. of action f. as prec. + -ation; cf. F. fertilisation.] 1. a. The action or process of rendering fertile.1863 J. G. Murphy Comm. Gen. xii. 11 The two sides of the Nile, its fertilization by a natural cause. b. spec. Biol. Fecundation; see fertilize ... Oxford English Dictionary
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Albugo occidentalis
The survival structure is an oospore, which is the result of the karyogamy of two haploid gametes (the oogonium and antheridium). wikipedia.org
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Ditylum brightwellii
Two eggs are produced from each oogonium and 64 sperm are produced from each spermatogonangium. wikipedia.org
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Globisporangium sylvaticum
In the case of Globisporangium sylvaticum, the oospore is globose, aplerotic(space between oospore wall and oogonium wall) and thick walled. The formation of the oospore is caused by the fusion of an antheridia and an oogonium, the male and female reproductive parts, respectively. wikipedia.org
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Sphaerotheca castagnei
Development of the perithecium The oogonium and antheridium, which are formed where two neighboring hyphae approach, each contain a single nucleus. Now the wall of the future perithecium beings to form by the development of a number of upright hyphal branches around the oogonium, forming a pseudo-parenchymatous wikipedia.org
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Chara (alga)
The female organ, called an oogonium is a large oval structure with an envelope of spirally arranged, bright green filaments of cells. All cells of the Charales are haploid except for the fertilized zygote, the large single cell in the interior of the oogonium, which becomes enclosed in wikipedia.org
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Ascodesmis nigricans
Each archicarps consist of an oogonium which contains approximately 6 nuclei and a trichogyne which contain two nuclei normally. When the communication between oogonia and antheridia is established, male and female nuclei fuse together in pairs in oogonium. wikipedia.org
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