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  2. Oocyte - Wikipedia

    en.wikipedia.org/wiki/Oocyte

    Diagram showing the reduction in number of the chromosomes in the process of maturation of the ovum; the process is known as meiosis Main article: Oogenesis The formation of an oocyte is called oocytogenesis, which is a part of oogenesis. [ 1 ]

  3. Oogenesis - Wikipedia

    en.wikipedia.org/wiki/Oogenesis

    Oogenesis starts with the process of developing primary oocytes, which occurs via the transformation of oogonia into primary [oocyte]s, a process called oocytogenesis. [11] From one single oogonium, only one mature oocyte will rise, with 3 other cells called polar bodies. Oocytogenesis is complete either before or shortly after birth.

  4. Immature ovum - Wikipedia

    en.wikipedia.org/wiki/Immature_ovum

    Oocytogenesis : third trimester primary Oocyte: diploid/46: 4C: Ootidogenesis (meiosis 1) (Folliculogenesis) -- polar body separated: Dictyate in prophase I until ovulation secondary Oocyte: haploid/23: 2C: Ootidogenesis (meiosis 2) -- polar body separated: Halted in metaphase II until fertilization Ootid: haploid/23: 1C: Maturation: Minutes ...

  5. Oocytogenesis - Wikipedia

    en.wikipedia.org/?title=Oocytogenesis&redirect=no

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  6. Zona pellucida - Wikipedia

    en.wikipedia.org/wiki/Zona_pellucida

    The zona pellucida is a translucent matrix of cross-linked glycoprotein filaments that surrounds the mammalian oocyte and is 6.5–20 μm thick depending on the species. Its formation, which depends on a conserved zona pellucida-like (ZP) module that mediates the polymerization of egg coat components, [2] is critical to successful fertilization. [3]

  7. Egg cell - Wikipedia

    en.wikipedia.org/wiki/Egg_cell

    Diagram of a human egg cell Ovum and sperm fusing together The process of fertilizing an ovum (top to bottom). In all mammals , the ovum is fertilized inside the female body. Human ova grow from primitive germ cells that are embedded in the substance of the ovaries .

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  9. Ovarian follicle - Wikipedia

    en.wikipedia.org/wiki/Ovarian_follicle

    An ovarian follicle is a roughly spheroid cellular aggregation set found in the ovaries.It secretes hormones that influence stages of the menstrual cycle.At the time of puberty, women have approximately 200,000 to 300,000 follicles, [1] [2] each with the potential to release an egg cell (ovum) at ovulation for fertilization. [3]