The advancement of science is a funny thing.
But what happens before eggs begin their trek through the fallopian tubes has been mysterious, even to biologists.
The eggs are tinyonly 0.005 inches (0.12 millimeters) acrossmaking them difficult to observe inside the body.
In this image, an egg that’s just been ejected can be seen next to its follicle.© Christopher Thomas, Tabea Lilian Marx et al./ MPI f. Multidisciplinary Sciences
Each month an#eggis ovulated from the#ovary, starting the journey of reproduction.
But how does ovulation occur?
The follicle expands, contracts, and finally releases the egg.
Once the follicle had grown large enough, muscle tissue within it began to contract.
Future research could focus on what happens when ovarian follicles are exposed to different chemicals and drugs.
Given theprecariousstate of fertility treatment in the United States, that can only be a good thing.
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