Increase in size of follicles surrounded by two or more layers of granulosa cells up to the onset of antrum formation. [ https://www.ncbi.nlm.nih.gov/books/NBK279054/ ]
This is just here as a test because I lose it
Increase in size of follicles surrounded by two or more layers of granulosa cells up to the onset of antrum formation. [ https://www.ncbi.nlm.nih.gov/books/NBK279054/ ]