But scientists might soon resolve this problem by improving ways to store frozen eggs and by developing methods for inducing the maturation of eggs in egg follicles maintained in laboratory culture dishes. (scientificamerican.com)
Just days later, the germ cells matured into egg follicles. (discovermagazine.com)
This is because older mice lose the capacity to excrete adequate levels of two hormones: one that stimulates egg follicles to grow and mature and another that causes the ripened egg to be released from the ovary into the reproductive tract. (discovermagazine.com)