Knowledge Tree
dominant follicle
Facts (27)
Sources
The Normal Menstrual Cycle and the Control of Ovulation - NCBI - NIH ncbi.nlm.nih.gov Aug 5, 2018 13 facts
claimThe dominant follicle secretes large quantities of estrogen, primarily estradiol, due to high levels of the enzyme CYP19 (aromatase).
claimThe shift from an androgenic to an estrogenic follicular microenvironment may play an important role in the selection of the dominant follicle from those that will become atretic.
measurementTo produce the critical concentration of estradiol required to initiate positive feedback for the luteinizing hormone (LH) surge, the dominant follicle is almost always greater than 15mm in diameter as measured by ultrasound.
claimAnti-Müllerian hormone (AMH), which is produced by granulosa cells, is believed to play a role in the selection of the dominant follicle.
claimA decline in follicle-stimulating hormone (FSH) levels leads to the production of a more androgenic microenvironment within follicles adjacent to the growing dominant follicle.
claimThe development of the dominant follicle occurs in three stages: (1) Recruitment, (2) Selection, and (3) Dominance.
claimBy cycle day 8, the dominant follicle promotes its own growth and suppresses the maturation of other ovarian follicles.
measurementThe recruitment stage of the dominant follicle occurs during days 1 through 4 of the menstrual cycle.
claimThe point of the dominant follicle closest to the ovarian surface where collagen digestion occurs is called the stigma.
claimGonadotropin secretion is regulated by gonadotropin-releasing hormone (GnRH), steroid hormones, and various peptides released by the dominant follicle.
claimThe point of the dominant follicle closest to the ovarian surface where digestion of the follicular wall occurs is called the stigma.
claimAnti-Müllerian hormone (AMH), which is produced by granulosa cells, is believed to play a role in the selection of the dominant follicle.
claimBy cycle day 8, the dominant follicle promotes its own growth and suppresses the maturation of other ovarian follicles.
Understanding the Phases of the Menstrual Cycle - Clue helloclue.com 5 facts
claimOvulation occurs midway through the menstrual cycle, or 13 to 15 days before the start of the next period, and involves the dominant follicle releasing an egg into the fallopian tube.
claimDuring ovulation, the dominant follicle releases an egg into the fallopian tube.
claimDuring ovulation, the dominant follicle releases an egg into the fallopian tube.
claimDuring the follicular phase, the growing dominant follicle produces increasing levels of estrogen, which peak just before ovulation.
claimDuring ovulation, a sudden surge in luteinizing hormone (LH) triggers the release of an egg from the dominant follicle into the fallopian tube.
Follicular Phase Of Menstrual Cycle - Cleveland Clinic my.clevelandclinic.org Aug 8, 2022 5 facts
claimThe luteal phase begins after ovulation, when the dominant follicle that released the mature egg changes into a structure called the corpus luteum.
claimThe length of the follicular phase depends on the time required for the dominant follicle to form a fully matured egg and can vary based on factors such as normal body timetable, birth control usage, or vitamin D deficiency.
claimThe dominant follicle is the specific follicle that houses an egg that is larger and healthier than the other developing eggs.
claimThe dominant follicle releases estrogen, which thickens the uterus lining to prepare for the implantation of a fertilized egg, a stage sometimes referred to as the proliferative phase.
claimA dominant follicle develops more quickly than other follicles in the ovaries and matures the egg that will be released during ovulation.
Menstrual Cycle Phases: Decoding the Stages - Perelel perelelhealth.com Oct 22, 2024 2 facts
quote“This cohort of follicles has been slowly maturing over the last three to four months, and then eight to 20 of them become fully mature during the follicular phase of the menstrual cycle, says Dr. O’Connor. “Of the follicles that mature, one of them becomes what’s called the dominant follicle.”
claimDuring the follicular phase, the dominant follicle grows and produces increasing amounts of estrogen.
Understanding the Menstrual Cycle: A Breakdown of Its Four Phases raleighob.com Jan 15, 2025 1 fact
claimJust before ovulation, the body experiences a sharp rise in luteinizing hormone (LH) and a smaller rise in estrogen, which triggers the release of a mature egg from the dominant follicle.
Female Reproductive System: Structure & Function my.clevelandclinic.org Nov 28, 2022 1 fact
procedureDuring the ovulatory phase, the rise in estrogen from the dominant follicle triggers a surge in luteinizing hormone (LH) production by the brain, which causes the dominant follicle to release its egg from the ovary.