Follicular Phase
Follicular Phase - Related Videos
06:40
Collection of Human Follicular Fluid, Follicle Somatic Cells, and Immature Oocytes from Individuals Undergoing In Vitro Fertilization
0 Views •
2025
This protocol outlines standardized methods to isolate and process follicular fluid, somatic cells, and immature oocytes from IVF procedures, enabling high-quality molecular and cellular analyses. These approaches support translational research into fertility, reproductive aging, and ovarian dysfunction using materials typically discarded in clinical care.
07:24
Xenopus Oocytes: Optimized Methods for Microinjection, Removal of Follicular Cell Layers, and Fast Solution Changes in Electrophysiological Experiments
0 Views •
Cited by 5 •
2016
Optimized procedures for the isolation of single follicles, cytoplasmic RNA microinjections, the removal of surrounding cell layers, and protein expression in Xenopus oocytes are described. In addition, a simple method for fast solution changes in electrophysiological experiments with ligand-gated ion channels is presented.
02:39
Phase Diagrams
0 Views •
2020
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
02:31
Phase Transitions
0 Views •
2020
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to occupy...
09:51
Single Phase Inverter
0 Views •
2023
Source: Ali Bazzi, Department of Electrical Engineering, University of Connecticut, Storrs, CT. DC power is unidirectional and flows in one direction, whereas, AC current alternates directions at a frequency of 50-60 Hz. Most common electronic devices are designed to run off of AC power; therefore an input DC source must be inverted to AC. Inverters convert DC voltage to AC through switching action that repeatedly flips the polarity of the input DC source at the output or load side for part of...
FAQs
FSH acts as an early hormonal signal that promotes the growth of ovarian follicles. As follicles develop, their granulosa cells produce increasing estradiol and inhibin B, creating a changing endocrine environment. These linked activities connect follicle development with hormone regulation, allowing researchers to examine how ovarian growth progresses toward selection of a dominant follicle.
Granulosa-cell production of estradiol and inhibin B provides measurable evidence of changing follicular activity. Their increasing levels accompany the process in which one follicle becomes dominant, while the selected follicle prepares to release an oocyte. Studying these hormone patterns therefore helps connect cellular activity in the ovary with reproductive timing and endocrine regulation.
Dominant follicle selection concentrates ovarian development in one follicle. The selected follicle continues preparing an oocyte for release, linking earlier FSH-supported growth with the later event of ovulation. This relationship gives the follicular phase value in interpreting how hormonal changes organize the ovarian cycle over time.
Researchers can examine changing FSH, estradiol, and inhibin B patterns alongside follicle development and uterine-lining changes. This approach connects endocrine signals with coordinated ovarian and uterine activity without treating either organ in isolation. The resulting framework supports investigation of reproductive timing, fertility, menstrual health, and the hormonal regulation underlying disrupted cycles.
Hormone patterns from this phase help researchers align ovarian events with uterine-lining changes and the timing of ovulation. That alignment supports analysis of fertility because it places follicle maturation and oocyte preparation within the wider reproductive cycle. It also helps explain how endocrine regulation coordinates events that must occur in sequence.
Because follicle growth, hormone production, dominant follicle selection, and oocyte preparation occur within a coordinated sequence, deviations can be studied as problems of ovarian or endocrine regulation. Research focused on this phase can therefore inform investigations of ovulation disorders and support contraceptive development, assisted reproduction, and menstrual health.