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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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Ovaries01:26

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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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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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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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The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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Related Experiment Video

Updated: Dec 27, 2025

Author Spotlight: Advanced Ex Vivo Model for Investigating Cancer-Adipose Microenvironment Interaction
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Ovarian tumors with functioning manifestations.

Fattaneh A Tavassoli1

  • 1Department of Pathology, Fairfax Hospital, 3300 Gallows Rd, 22046, Falls Church, VA.

Endocrine Pathology
|March 7, 2020
PubMed
Summary
This summary is machine-generated.

Gonadal stromal tumors can produce hormones, leading to unique clinical symptoms. This review explores the complex hormone production by these ovarian neoplasms and their link to observed manifestations.

Keywords:
Endocrine Pathology VolumeGranulosa CellGranulosa Cell TumorLeydig CellObstet Gynecol

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Area of Science:

  • Gynecology
  • Endocrinology
  • Oncology

Background:

  • Ovarian tumors, especially gonadal stromal types, can produce hormones.
  • Endocrine manifestations are often linked to hormone production by tumor cells.
  • Hormone production can involve single hormones or a complex interplay of multiple hormones and prehormones.

Purpose of the Study:

  • To review gonadal stromal tumors.
  • To discuss the evidence linking clinical manifestations to hormones produced by these neoplasms.

Main Methods:

  • Literature review focusing on gonadal stromal tumors.
  • Analysis of evidence connecting clinical symptoms to tumor-produced hormones.

Main Results:

  • Gonadal stromal tumors are a significant source of hormone production.
  • Clinical manifestations are frequently observed due to this hormonal activity.
  • The mechanisms of hormone and prehormone production and transformation are complex and not fully understood.

Conclusions:

  • Gonadal stromal tumors present with diverse endocrine manifestations.
  • Further research is needed to fully elucidate the complex mechanisms of hormone production in these tumors.