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相关概念视频

Uterine Tubes01:16

Uterine Tubes

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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...
559
Histology of the Uterus01:19

Histology of the Uterus

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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...
1.1K
Uterus and Cervix01:18

Uterus and Cervix

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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...
1.0K
Ovaries01:26

Ovaries

739
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...
739
Disorders of the Female Reproductive System01:24

Disorders of the Female Reproductive System

338
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...
338
Infertility in Females01:28

Infertility in Females

288
Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...
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相关实验视频

Updated: Jun 14, 2025

Introduction of Intracapsular Rotary-cut Procedures IRCP: A Modified Hysteromyomectomy Procedures Facilitating Fertility Preservation
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宫内纤维的子宫纤维

Serdar E Bulun1, Ping Yin1, JianJun Wei1,2

  • 1Department of Obstetrics and Gynecology, Northwestern University, Chicago, Illinois, United States.

Physiological reviews
|April 11, 2025
PubMed
概括

子宫纤维瘤是女性常见的瘤,来自光滑肌肉细胞,由MED12或HMGA2/1基因的突变驱动. 孕激素通过刺激干细胞对纤维瘤生长至关重要,为医疗管理提供了目标.

关键词:
在HMGA2中使用.在MED12中,MED12是MED12中的一个.孕激素是孕激素的一种.干细胞是一种干细胞.的子宫纤维化组织.

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Author Spotlight: A Reproductive Hysteroscopy Approach for Complete Endometrial Polyp Removal and Enhanced Endometrial Receptivity
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Author Spotlight: A Reproductive Hysteroscopy Approach for Complete Endometrial Polyp Removal and Enhanced Endometrial Receptivity

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Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis
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Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis

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相关实验视频

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Introduction of Intracapsular Rotary-cut Procedures IRCP: A Modified Hysteromyomectomy Procedures Facilitating Fertility Preservation
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Introduction of Intracapsular Rotary-cut Procedures IRCP: A Modified Hysteromyomectomy Procedures Facilitating Fertility Preservation

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Author Spotlight: A Reproductive Hysteroscopy Approach for Complete Endometrial Polyp Removal and Enhanced Endometrial Receptivity
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Published on: August 2, 2024

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Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis
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Ex Vivo Method for Assessing the Mouse Reproductive Tract Spontaneous Motility and a MATLAB-based Uterus Motion Tracking Algorithm for Data Analysis

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科学领域:

  • 妇科 妇科 妇科 妇科
  • 在瘤学瘤学.
  • 细胞生物学 细胞生物学

背景情况:

  • 子宫纤维瘤 (leiomyomas) 是女性最常见的瘤,约有25%的生育年龄人群受到影响.
  • 它们起源于肌肉细胞,并可能导致严重的症状,如大量出血和盆腔不适.
  • 瘤发生与卵巢类固醇对子宫肌体反应期间的体质突变有关.

研究的目的:

  • 提供子宫纤维瘤发育和生长背后的机制的概述.
  • 探索特定的基因和荷尔蒙在纤维瘤发病过程中的作用.
  • 讨论子宫纤维瘤预防和医疗管理的未来方向.

主要方法:

  • 审查关于子宫纤维瘤生物学,遗传学和激素调节的现有文献.
  • 对常见的体质突变进行分析,重点关注MED12和HMGA2/1.1.
  • 检查孕激素和干细胞信号通路在瘤生长中的作用.

主要成果:

  • 纤维瘤中最常见的突变是在MED12 (77%) 和HMGA2/1 (10%) 中.
  • 在MED12突变中,Mediator复合体被破坏,导致基因组的不稳定性和更高的孕激素反应能力.
  • 孕激素对纤维瘤生长至关重要,它通过横信号传递通过干细胞种群起作用.

结论:

  • 子宫纤维瘤是由遗传突变和荷尔蒙信号,特别是孕激素驱动的复杂瘤.
  • 了解这些机制是制定有效的预防和治疗策略的关键.
  • 准孕激素通路和干细胞活动对未来的医疗管理具有前景.