Proliferative Phase
Proliferative Phase - Related Videos
01:20
Proliferative Phase
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2024
The proliferative phase typically occurs after menstruation and lasts between 6 to 13 days in a standard 28-day cycle. This phase involves the reconstruction of the endometrium, guided by estrogen produced by the developing ovarian follicle. Notably, the stratum basale, the basal layer of the endometrium, including the basal parts of the uterine glands, remains unaffected by menstruation. Stem cells in this layer undergo mitosis, regenerating the stratum functionalis and thickening the...
10:04
Establishment of Proliferative Tetraploid Cells from Nontransformed Human Fibroblasts
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Cited by 2 •
2017
Although proliferative polyploid cells are necessary to analyze chromosomal instability of polyploid cells, creating such cells from nontransformed human cells is not easy. The present report describes relatively simple procedures to establish proliferative tetraploid cells free of a diploid population from normal human fibroblasts.
12:28
Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies
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Cited by 1 •
2022
This article describes a well-established and reproducible lectin stain assay for the whole mount retinal preparations and the protocols required for the quantitative measurement of vascular parameters frequently altered in proliferative and non-proliferative retinopathies.
06:13
Colony Formation Assay Detecting the Proliferative Capacity of LncRNA-knockdown Osteosarcoma Cells
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2026
This experimental protocol provides a stable, cost-effective, and efficient method that combines lncRNA knockdown with colony-forming assays to quantify the effect of lncRNA on osteosarcoma cell proliferation.
10:47
Quantification of Proliferative and Dead Cells in Enteroids
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Cited by 2 •
2020
The presented protocol uses flow cytometry to quantify the number of proliferating and dead cells in cultured mouse enteroids. This method is helpful to evaluate the effects of drug treatment on organoid proliferation and survival.
FAQs
Rising estrogen acts as the principal signal associated with this phase. It stimulates endometrial cells to divide and expand, producing renewed tissue growth after menstruation. This hormonal control links ovarian cycle changes with uterine preparation and makes the phase useful for studying endocrine-regulated renewal biology.
Growth occurs across several coordinated endometrial components rather than in isolated cells. The lining thickens while glands, connective tissue, and spiral arteries develop between menstruation and ovulation. Examining these structures together helps researchers evaluate how cellular proliferation and tissue organization contribute to preparation for possible implantation.
Coordinated growth creates a progressively developed endometrial environment instead of merely increasing cell number. As the lining thickens and its glands, connective tissue, and spiral arteries develop, the tissue becomes prepared for possible implantation. This relationship illustrates why biological renewal depends on organized structural change as well as proliferation.
The phase occurs after menstruation and before ovulation, during the portion of the cycle when estrogen is rising. Its position is biologically important because tissue rebuilding takes place before the cycle reaches the stage associated with possible implantation. The timing also allows researchers to relate endometrial changes to hormonal-cycle events.
A study can examine the relationship between rising estrogen and endometrial growth, including changes in lining thickness and the development of glands, connective tissue, and spiral arteries. These observations provide a framework for investigating hormone-regulated tissue renewal and for connecting cellular division with larger-scale tissue organization.
Its relevance to fertility comes from the preparation of the endometrium for possible implantation. Researchers can use this phase to investigate how estrogen-associated proliferation and structural development shape the uterine lining during the cycle. The same framework supports study of reproductive endocrinology and menstrual disorders involving cycle-regulated tissue changes.
Beyond the menstrual cycle, the phase provides a model for controlled cell proliferation and tissue renewal. Its relevance extends to research on wound repair and other biological processes involving regulated growth after tissue loss or during structural change. This comparison helps biology researchers examine how signals coordinate restoration rather than isolated cell division.