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Related Concept Videos

Oogenesis02:07

Oogenesis

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In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
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Oogenesis01:22

Oogenesis

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Oogenesis,  the process of developing egg cells (female gametes), occurs within the ovaries and is fundamental to female fertility. This sequence begins during fetal development when diploid oogonia in the developing ovaries undergo mitotic divisions to produce primary oocytes. By birth, these primary oocytes enter prophase I of meiosis but become arrested in this stage, remaining suspended until puberty.
Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is...
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Ovaries01:26

Ovaries

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The ovaries are roughly the size of almonds and measure approximately 2 to 3 centimeters in length. These paired structures are situated within the pelvic region and are anchored by the mesovarium—a peritoneal extension that also connects them to the wider structure of the broad ligament. The support system extends to the suspensory ligament, housing blood and lymphatic vessels. In addition, the ovarian ligament tethers the ovaries to the uterus.
On the ovarian surface, a layer of...
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Ovarian Cycle01:27

Ovarian Cycle

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The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle...
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Disorders of the Female Reproductive System01:24

Disorders of the Female Reproductive System

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The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
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Related Experiment Video

Updated: Feb 18, 2026

Generation and Culturing of High-Grade Serous Ovarian Cancer Patient-Derived Organoids
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Generation and Culturing of High-Grade Serous Ovarian Cancer Patient-Derived Organoids

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[Dysgerminoma ovarii]

B Pikula, F Curić, B Brujić

    Jugoslavenska Ginekologija I Opstetricija
    |March 1, 1976
    PubMed
    Summary

    A rare ovarian dysgerminoma case was treated with ovary removal. Isolated metastases appeared in a lymph node one year post-surgery, but no further recurrence has been observed.

    Area of Science:

    • Gynecologic Oncology
    • Pathology
    • Surgical Oncology

    Background:

    • Ovarian dysgerminoma is a rare germ cell tumor.
    • Early detection and surgical management are crucial for treatment.
    • Understanding metastatic patterns is vital for prognosis.

    Observation:

    • A unilateral, encapsulated ovarian dysgerminoma was surgically removed.
    • One year post-operation, isolated supraclavicular lymph node metastases were detected.
    • No further tumor recurrence or metastases have been observed to date.

    Findings:

    • Radical surgical removal can be effective for localized ovarian dysgerminoma.
    • Late isolated metastases can occur even after successful primary tumor resection.
    • Long-term surveillance is essential for detecting delayed recurrence.

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    Implications:

    • This case highlights the importance of vigilant long-term follow-up in ovarian dysgerminoma survivors.
    • It underscores the potential for late, isolated metastatic disease.
    • Further research into the metastatic behavior of ovarian dysgerminoma is warranted.