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Related Concept Videos

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...
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Endotracheal Tube Extubation01:24

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Endotracheal tube extubation is a critical procedure in weaning patients from mechanical ventilation. It involves physically removing the oral or nasal endotracheal (ET) tube, marking the final step in liberating a patient from ventilatory support.
Procedure
Extubation removes the endotracheal tube (ETT) from the patient on mechanical ventilation. It requires a well-coordinated, multidisciplinary approach involving physicians, nurses, respiratory therapists, and other healthcare professionals....
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Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

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A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...
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Rise of Liquid in a Capillary Tube01:18

Rise of Liquid in a Capillary Tube

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When very thin cylindrical tubes, called capillaries, are dipped in a liquid, the liquid rises or falls in the tube compared to the surrounding liquid. This phenomenon is called capillary action. Capillary action occurs due to the combination of two opposing forces: the cohesive forces of the liquid, which cause it to stick to itself and form a rounded shape, and the adhesive forces between the liquid and the walls of the container, which cause the liquid to be attracted to the container walls.
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Steady, Laminar Flow in Circular Tubes01:23

Steady, Laminar Flow in Circular Tubes

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Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...
1.1K
Cleavage and Blastulation01:33

Cleavage and Blastulation

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After a large-single-celled zygote is produced via fertilization, the process of cleavage occurs while zygotes travel through the uterine tube. Cleavage is a mitotic cell division that does not result in growth. With each round of successive cell division, daughter cells get increasingly smaller.
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Related Experiment Video

Updated: Jan 23, 2026

Ex Vivo Culture of Primary Human Fallopian Tube Epithelial Cells
11:46

Ex Vivo Culture of Primary Human Fallopian Tube Epithelial Cells

Published on: May 9, 2011

20.1K

Fallopian tube subtle pathology.

Jing Guan1, Antoine Watrelot2

  • 1Reproductive Medicine Center, Peking University People's Hospital, Beijing, China.

Best Practice & Research. Clinical Obstetrics & Gynaecology
|June 23, 2019
PubMed
Summary
This summary is machine-generated.

Subtle fallopian tube abnormalities, such as diverticula and phimosis, are linked to infertility. Recognizing these variations is key to improving fertility outcomes.

Keywords:
AnatomyFallopianInfertilityLaparoscopySubtle lesions

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Ex Vivo Culture of Primary Human Fallopian Tube Epithelial Cells
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An Efficient Method for Extracting Human Fallopian Tube Epithelia for Single-cell Analyses
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Area of Science:

  • Reproductive medicine
  • Gynecological pathology
  • Female infertility

Background:

  • Subtle abnormalities in the fallopian tubes are often overlooked.
  • These variations, including tubal diverticula, Morgagni hydatids, accessory ostia, phimosis, agglutination, and sacculation, are increasingly recognized as contributors to infertility.
  • A comprehensive understanding of these conditions is crucial for accurate diagnosis and effective management.

Purpose of the Study:

  • To provide a comprehensive overview of subtle fallopian tube lesions.
  • To discuss the impact of these abnormalities on female fertility.
  • To update current knowledge on the diagnosis and management of these tubal variations.

Main Methods:

  • Literature review of existing studies on fallopian tube abnormalities.
  • Synthesis of information regarding the characteristics, diagnosis, and management of subtle tubal variations.
  • Analysis of the etiological role of these variations in infertility.

Main Results:

  • Identified and described various subtle fallopian tube abnormalities: tubal diverticula, Morgagni hydatids, accessory fallopian tube, accessory ostium, tubal phimosis, agglutination, and sacculation.
  • Highlighted the significant association between these subtle variations and female infertility.
  • Summarized current diagnostic approaches and management strategies for these conditions.

Conclusions:

  • Subtle fallopian tube abnormalities represent an important, yet often underdiagnosed, cause of infertility.
  • Increased clinical awareness and recognition of these variations are essential for improving diagnostic accuracy.
  • Effective management of these subtle lesions holds the potential to enhance fertility outcomes for affected women.