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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...
Pharmacokinetics: Drug–Drug Interactions01:25

Pharmacokinetics: Drug–Drug Interactions

Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
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...
Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.
Intrauterine Drug Delivery Systems01:21

Intrauterine Drug Delivery Systems

Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...

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Related Experiment Video

Updated: May 29, 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

Immune interactions in endometriosis.

Jennifer L Herington1, Kaylon L Bruner-Tran, John A Lucas

  • 1Women's Reproductive Health Research Center, Vanderbilt University School of Medicine, 1161 21st Avenue South MCN B-1100, Nashville, TN 37232, USA.

Expert Review of Clinical Immunology
|September 8, 2011
PubMed
Summary

Endometriosis involves displaced endometrial tissue, immune system alterations, and reduced progesterone action. Environmental factors like dioxins may worsen the condition by increasing inflammation and reducing progesterone sensitivity.

Related Experiment Videos

Last Updated: May 29, 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

Area of Science:

  • Gynecology
  • Immunology
  • Endocrinology

Background:

  • Endometriosis is a common gynecologic disorder with ectopic endometrial tissue.
  • Alterations in endocrine and immune systems are observed in women with endometriosis.
  • Progesterone resistance and inflammation are implicated in endometriosis progression.

Purpose of the Study:

  • To summarize current knowledge on immune system alterations in endometriosis.
  • To discuss how endometrial cells promote growth via inflammation and immune evasion.
  • To explore the role of environmental endocrine disruptors in endometriosis.

Main Methods:

  • Review of current scientific literature on endometriosis.
  • Analysis of immune system changes in affected patients.
  • Discussion of cellular mechanisms and environmental influences.

Main Results:

  • Endometrial cells in endometriosis can evade immune surveillance.
  • Inflammatory mechanisms promote the growth of ectopic endometrial tissue.
  • Environmental endocrine disruptors may induce an endometriosis-like phenotype.

Conclusions:

  • Heightened inflammation in the peritoneal cavity may contribute to endometriosis development and persistence.
  • Further research is needed to understand the interplay between inflammation, progesterone resistance, and environmental factors.