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Related Concept Videos

Oogenesis02:07

Oogenesis

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...
Uterine Tubes01:16

Uterine Tubes

The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
Disorders of the Female Reproductive System01:24

Disorders of the Female Reproductive System

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...
Uterus and Cervix01:18

Uterus and Cervix

The uterus, commonly called the womb, is a vital reproductive organ in females designed to provide a nurturing environment for the implantation and growth of an embryo. It is shaped like a hollow pear and positioned between the urinary bladder and the rectum. The uterus's structure allows it to support and protect a developing fetus throughout pregnancy.
The uterus is securely anchored within the pelvic cavity by paired broad ligaments on either side. It is further stabilized by three pairs of...
Histology of the Uterus01:19

Histology of the Uterus

The uterine wall consists of three histological layers: the perimetrium, myometrium, and endometrium. The outermost perimetrium is a thin, serous membrane connected with the broad ligament on the sides, which helps anchor the uterus in the pelvic cavity. The thickest layer, myometrium, is mainly made up of smooth muscle tissue bundles. Its contractions are vital in facilitating the expulsion of the uterine lining, fetus, and placenta during menstruation and childbirth.
The endometrium is the...
Ovarian Cycle01:27

Ovarian Cycle

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 length...

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Related Experiment Video

Updated: Jun 17, 2026

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity
07:20

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Published on: December 21, 2012

[Endometriosis].

M García Manero1, B Olartecoechea, P Royo Manero

  • 1Departamento de Ginecología y Obstetricia, Clínica Universidad de Navarra. mgmanero@unav.es

Revista De Medicina De La Universidad De Navarra
|December 10, 2009
PubMed
Summary
This summary is machine-generated.

Endometriosis affects 10-15% of premenopausal women, characterized by endometrial tissue outside the uterus. While retrograde menstruation is a leading theory, other factors influence susceptibility to this common gynecological disease.

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Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility
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Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility

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Last Updated: Jun 17, 2026

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity
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Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

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Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility
08:07

Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility

Published on: April 5, 2024

Area of Science:

  • Gynecology
  • Reproductive Medicine

Context:

  • Endometriosis is a prevalent gynecological condition affecting 10-15% of premenopausal women.
  • It involves endometrial tissue growing outside the uterine cavity, leading to distinct clinical forms: peritoneal, ovarian, and deep invasive endometriosis.

Purpose:

  • To elucidate the pathogenesis and contributing factors of endometriosis.
  • To differentiate between the various clinical presentations of the disease.

Summary:

  • Endometriosis is defined by the presence of endometrial tissue outside the uterus.
  • Pathogenesis theories include metaplasia, Müllerian remnants, and retrograde menstruation, with the latter being most accepted.
  • Individual susceptibility to ectopic endometrial implantation and growth is a key consideration.

Impact:

  • Improved understanding of endometriosis etiology.
  • Foundation for further research into diagnostic and therapeutic strategies for endometriosis.
  • Enhanced clinical differentiation of endometriosis subtypes.