Assertion: ovary's follicle | /r/AtLocation | the ovary
Facets:
Source sentences:
text: When only the one dominant follicle remains in the ovary, it again begins to secrete estrogen.
text: The ruptured follicle, which remains in the ovary, is then called the corpus luteum, which secretes hormones that prevent menstruation until the egg has had time to be fertilized.