*  Purpose and background information
Figure 11. Pythium oogonium (female sexual structure) has two antheridia (male sexual structures) attached at the side ( ... The sexual spores of oomycetes are thick-walled oospores produced from the union of the antheridia and oogonia (male and female ... Figure 12. Phytophthora cambivora has oogonia with an ornate wall and two-celled antheridia encircling the base of the oogonia ... Figure 13. Some Phytophthora species have smooth oogonia, as in Phytophthora cinnamomi shown here. Click image to see a larger ...
  http://www.apsnet.org/EDCENTER/K-12/TEACHERSGUIDE/WATERMOLD/Pages/background.aspx
*  View source for Oogonium - Biology-Online Dictionary
Definition''' ''noun, plural: oogonia'' (''zoology'') The [[diploid]] female [[gametogonium]] that gives rise to [[primary ... When the oogonia start [[meiosis]] they are now referred to as [[primary oocyte]]s. ''See also:'' [[secondary oocyte]] ... the oogonia are actually [[primordial germ cell]]s that have migrated from the[[ yolk sac]] to the [[genital ridge]] during the ... oocyte]] through [[oocytogenesis]]. (''botany'') The female [[reproductive structure]] in [[thallophyte]]s (e.g. [[algae]]) ...
  http://www.biology-online.org/bodict/index.php?title=Oogonium&action=edit
*  Ovarian adult stem cells: hope or pitfall? | Journal of Ovarian Research | Full Text
... have imposed delaying childbearing in women of reproductive age, affecting these women by age-related infertility. Even more so ... Through mitotic divisions, the number of oogonia increases until the fifth month of intrauterine life, when the first meiotic ... The female gonad is organized as a parenchymatous organ, with an outer, cortical region and an inner medullar one (Figure 1). ... Tilly JL, Sinclair DA: Germline energetics, aging, and female infertility. Cell Metab 2013, 17: 838-850.PubMed CentralView ...
  https://ovarianresearch.biomedcentral.com/articles/10.1186/1757-2215-7-71
*  Conceptacle - Wikipedia
The diploid plants produce male (antheridia) and female (oogonia) gametangia by meiosis. The gametes are released into the ... Sexual (male / female) conceptacles. These lack a columella. L. incrustans has distinct male and female plants; the two ... For example, Lithophyllum incrustans bears asexual, male, female and cystocarpic (strictly, a type of female) conceptacles, ... Being mature female conceptacles, these too lack a columella. In most coralline algae, a cluster of reproductive cells forms in ...
  https://en.wikipedia.org/wiki/Conceptacle
*  Chapter 7: RNA, The Genetic Code, Mitosis/Meiosis, and Mendelian Genetics Flashcards - MCAT Biochemistry | Brainscape
Oogonium = cell where meiosis occurs in females to make a haploid egg *Stages: *Oogonium (diploid) *present at birth ... Female product = 1 ovum and 3 polar bodies that are waste products ...
  https://www.brainscape.com/flashcards/chapter-7-rna-the-genetic-code-mitosis-me-5268458/packs/6138324
*  Phytophthora capsici - Wikipedia
Phytophthora capsici produces both a male and a female type gametangia called an antheridium (male) and an oogonium (female). ... that the antheridium may remain in this male form of the gametangia or develop into the female gametangia which is an oogonium ...
  https://en.wikipedia.org/wiki/Phytophthora_capsici
*  Phytophthora sojae - Wikipedia
Oospores are made after the male gamete, antheridium, and female gamete, oogonium, undergo fertilization and then sexual ...
  https://en.wikipedia.org/wiki/Phytophthora_sojae
*  Glossary of phytopathology - Wikipedia
intumescence) oligogenic resistance oogonium (pl. oogonia) An oogonium is a female gametogonium. oomycetes (adj. oomycetous) ...
  https://en.wikipedia.org/wiki/Glossary_of_phytopathology
*  Macrocystis - Wikipedia
Females release their eggs (oogonia) along with a pheromone, the lamoxirene. This compound triggers sperm release by males. The ... Juvenile giant kelp grow directly on the parent female gametophyte, extending one or two primary blades, and beginning a ... These blades bear various sori containing sporangia, which release haploid spores, which will grow into microscopic female and ... Macrocystis sperm consists of biflagellate non-synthetic antherozoids, which find their way to the oogonia following the ...
  https://en.wikipedia.org/wiki/Macrocystis
*  Pythium aphanidermatum - Wikipedia
2)There can also be sexual reproduction when two different mating hyphal types meet, creating an oogonium (female structure), ... Sexually, they reproduce with structures called antheridia, oogonia, and oospores. Pythium aphanidermatum has a wide host range ...
  https://en.wikipedia.org/wiki/Pythium_aphanidermatum
*  When do Human Beings Begin? "Scientific" Myths and Scientific Facts
"Oogenesis is the production and maturation of oocytes, i.e.; the female gametes derived from oogonia. Oogonia (derived from ... Oogenesis begins in the female during fetal life. The total number of primary oocytes-about 7 million-is produced in the female ... and in the female (definitive oocytes). The timing of gametogenesis is different in males and in females. The later stages of ... The number of oogonia increases to nearly seven million by the middle of prenatal life, after which it diminishes to about two ...
  http://www.consciencelaws.org/background/science/science001.aspx
*  Sciara (gnat) - Wikipedia
Hence female germ line (oogonia) cells have 3 pairs of autosomes, 1 maternal X chromosomes and a few limited chromosomes. 2) ... ii) FEMALES During the 5th and 6th divisions of the embryo all the limited chromosomes are eliminated. In the next stage of ... Hence female soma line cells have 3 pairs of autosomes and one maternal and one paternal X chromosome.. ... ii) FEMALES In the formation ova the 1st ovarian division is monocentric mitosis, the maternal and paternal homologous ...
  https://en.wikipedia.org/wiki/Sciara_(gnat)
*  Oedogonium - Wikipedia
The small male filaments are likely to be attached to a female filament, near an oogonium. Guiry, M.D.; Guiry, G.M. (2008). " ... Antheridia which produce sperm, and oogonia which produce an egg, release the sperm and egg. The egg and sperm then fuse and ... The male filament, which are much smaller than the female filament, is called a dwarf male or nannandrium. Nannandrous species ... This group is further subdivided into: Macrandous Monoecious - In these species, antheridia and oogonia are found on the same ...
  https://en.wikipedia.org/wiki/Oedogonium
*  Laminaria - Wikipedia
The female egg matures in the oogonium until the male sperm fertilizes it. Life-Cycle: The most apparent form of Laminaria is ... At meiosis the male and female zoospores are produced separate then germinate into male and female gametophytes. ...
  https://en.wikipedia.org/wiki/Laminaria
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Conversely, stereological analysis revealed that triploid females were sterile and oogonia were the prevalent cell type in the ... In A. australis and C. ursinus, skulls of females mature at about 6 years of age, and those of males at about 8 years. Otaria ... Data come from female participants (n=327, age 24.4-30.2 years) in a longitudinal study located in Metropolitan Cebu, ... Diploid females and males presented normal oogenesis and spermatogenesis through all the experimental period. ...
  https://www.cambridge.org/core/search?filters%5Bkeywords%5D=growth
*  Saprolegnia - Wikipedia
Once firmly attached, sexual reproduction begins with the production of male and female gametangium, antheridia and oogonium ...
  https://en.wikipedia.org/wiki/Saprolegnia
*  Hyaloperonospora parasitica - Wikipedia
Meanwhile during the sexual stage, the antheridia (the male sex organ) fertilizes the oogonium (the female sex organ) with a ...
  https://en.wikipedia.org/wiki/Hyaloperonospora_parasitica
*  Alma Joslyn Whiffen-Barksdale - Wikipedia
... which promoted the growth of oogonia in the female strains. Her discoveries sparked a new wave of interest in the Achlya genus ... Barksdale discovered and isolated the sex hormone antheridiol: a steroid released by the female strains of A. bisexualis, which ... bisexualis was mediated by the exchange of hormones between the male and female strains of the fungus. Over the course of 10 ...
  https://en.wikipedia.org/wiki/Alma_Joslyn_Whiffen-Barksdale
*  Reproductive biology - Wikipedia
Oogenesis begins in the female embryo with the production of oogonia from primordial germ cells. Like spermatogenesis, the ... Human females are born with all the primary oocytes they will ever have. Starting at puberty the process of meiosis can ... Later in reproduction the sperm will fuse with a female oocyte to form the zygote. Oogenesis is the formation of a cell who ... The female reproductive system includes the structures involved in ovulation, fertilization, development of an embryo, and ...
  https://en.wikipedia.org/wiki/Reproductive_biology
*  91. Female Repro 1 Flashcards - Cram.com
Female Repro 1 at Cram.com. Quickly memorize the terms, phrases and much more. Cram.com makes it easy to get the grade you want ... Production of oogonia! This is when they begin to increase significantly in number. ... Female Repro 1","payreferer_url":"\/flashcards\/copy\/91-female-repro-1-470423","isGuest":true,"ga_id":"UA-272909-1","facebook ... What is the first hormone that increases when GnRH pulses begin to increase in a 10yr old female? ...
  http://www.cram.com/flashcards/91-female-repro-1-470423
*  Aphanomyces euteiches - Wikipedia
For sexual reproduction, hyphae develop male and female gametangia called, respectively, antheridia and oogonia. Because ... A. euteiches exhibits no macroscopic signs, but oogonia and oospores can be seen in root tissue with a compound microscope. ... The antheridium fertilizes an oogonium, which then develops into a single oospore, which is 20-35 micrometers in diameter. When ... Aphanomyces euteiches is homothallic the antheridium and oogonium arise from the same hypha and are self-compatible, meaning ...
  https://en.wikipedia.org/wiki/Aphanomyces_euteiches
*  Oomycete - Wikipedia
"Oomycota" means "egg fungi", referring to the large round oogonia, structures containing the female gametes, that are ...
  https://en.wikipedia.org/wiki/Oomycete
*  Germ Cell, Stem Cell, and Genomic Modification in Birds | OMICS International
After PGCs enter the bilateral gonads, the cells begin to differentiate into oogonia in females at embryonic day (E) 8.0, and ... After PGC differentiation, DNMT3B was detected in female germ cells until adulthood was attained [46]. Apart from the genes and ... 2013) Conservation and Expression of piRNA Pathway Genes in Male and Female Adult Gonads of Amniotes. BiolReprod 89(6):136.[ ... prospermatogonia in males at E13.0 [35,48]. Oogonia engage in further mitosis to increase cell numbers, finally becoming ...
  https://www.omicsonline.org/open-access/germ-cell-stem-cell-and-genomic-modification-in-birds-2157-7633.1000201.php?aid=25765
*  Development of the gonads - Wikipedia
In the female, the germ cells colonise the cortex and become oogonia. In the male, the germ cells colonise the seminiferous ... Once they have reached the gonadal ridge they are called oogonia. Development proceeds and the oogonia become fully surrounded ... This is a testis in the male and an ovary in the female. At first, the mesonephros and gonadal ridge are continuous, but as the ... The gubernaculum in the female lies in contact with the fundus of the uterus and adheres to this organ, and thus the ovary can ...
  https://en.wikipedia.org/wiki/Development_of_the_gonads
*  Polygamy is key to long life- Research | The Renaissance
Embryologists say Muslim woman is the cleanest on earth. August 24, 2016 In Islam a woman, who is divorced by her husband,… ( ... Oogenesis starts with the division of oogonium and enlarges to form primary oocyte and during first meiosis it divides to form ... Women more problem. Solomon was misled by a strange woman dat made him not do d will of God and he worshipped idol @ d end of ... In contrast, males can manage more than a female while females nothing more than one male. Allahu Akbar ...
  http://therenaissanceng.com/polygamy-is-key-to-long-life-research?replytocom=19012