Endometrium Shedding
Endometrium Shedding - Related Videos
02:02
Quantifying Bacterial Shedding to Evaluate Infection Transmission Potential in Drosophila
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2026
Source: Siva-Jothy, J. A., et al., Oral Bacterial Infection and Shedding in Drosophila melanogaster. J. Vis. Exp. (2018)This video demonstrates the procedure for monitoring bacterial shedding in Drosophila by transferring an infected fly across multiple food-containing tubes, recovering shed bacteria, and quantifying viable colonies through serial dilution and plating.
05:26
Establishing a Mouse Model of Thin Endometrium
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Cited by 3 •
2024
This article describes a detailed protocol for producing a reliable and reproducible thin endometrium with a very low mortality rate and minimal intrauterine adhesions by injecting 95% ethanol into the mouse uterus within 1-3 min.
09:32
Oral Bacterial Infection and Shedding in Drosophila melanogaster
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Cited by 40 •
2018
This protocol describes methods to orally expose and infect the fruit fly Drosophila melanogaster with bacterial pathogens, and to measure the number of infectious bacteria shed following gut infection. We further describe the effect of immune mutants on fly survival following oral bacterial infection.
07:32
An Intravital Microscopy-Based Approach to Assess Intestinal Permeability and Epithelial Cell Shedding Performance
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Cited by 1 •
2020
Taking advantage of intravital microscopy, the method presented here enables real-time visualization of intestinal epithelial cell shedding in living animals. Therefore, topically stained intestinal mucosa (acriflavine and rhodamineB-dextran) of anesthetized mice is imaged up to single-cell resolution using confocal microscopy.
07:59
Ultrasonography in Experimental Reproductive Investigations on Rats
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Cited by 6 •
2017
This manuscript describes the utility of ultrasound performed on female rats to design experimental models for reproductive and gynecological investigation. A step-by-step explanation of how to perform ultrasonographic evaluation is shown.
FAQs
Endometrium shedding is initiated by hormonal withdrawal rather than by a new ovarian signal. When the corpus luteum regresses, progesterone and estrogen levels fall. The functional endometrial layer then loses hormonal support, while its blood vessels constrict. This combination reduces tissue maintenance and promotes separation, linking endocrine changes in the ovary to uterine events during menstruation.
Vascular constriction matters because it reduces support to the functional endometrial layer. As progesterone and estrogen decline, the tissue no longer receives the same hormonal maintenance, and narrowed vessels contribute to its breakdown and separation. This explains why hormonal changes and local uterine events occur together, rather than treating menstrual bleeding as an isolated vascular event.
Once the unsupported functional layer is removed, the uterus can begin rebuilding its lining during the next cycle. This reset is coordinated with the ovarian cycle, so uterine changes remain related to ovarian hormone patterns. The coordination provides a biological framework for understanding recurring menstrual timing and the preparation of the uterus for later implantation.
The ovarian cycle supplies the hormonal context that determines when the uterine lining is maintained and when that support is withdrawn. In particular, regression of the corpus luteum marks the transition associated with falling progesterone and estrogen. Studying this relationship helps connect ovarian events with the onset and timing of menstruation.
The process reveals how the uterus transitions between maintaining its lining and resetting it after pregnancy does not occur. Because implantation is related to the state of the endometrium, linking shedding with regeneration helps place fertility within the coordinated ovarian and uterine cycles. It also clarifies why cycle timing matters when considering reproductive biology.
Studying endometrium shedding provides a biological reference for understanding heavy or painful menstrual bleeding. These conditions can be considered in relation to the normal sequence of hormonal withdrawal, vascular changes, tissue separation, and expulsion. The process therefore gives biology and medicine a framework for examining how altered endometrial responses may affect menstrual patterns.