<span> </span>During
the follicular phase, granulosa cells secrete estrogen, which stimulates
secretion of gonadotropin-releasing hormone (GnRH), which then increases
production of luteinizing hormone (LH).
The
follicular phase is the phase of the menstrual cycle, during which follicles in
the ovary mature and it ends with ovulation.
<span>The central nervous system (CNS) and peripheral nervous system (PNS) work together in a multitude of ways. The (PNS) is ultimately the extension of the (CNS)</span>
