This is the hypothalamus-pituitary-testicle axis. The hypothalamus is in charge of generating GnRh that will activate the pituitary and produce the FSH and LH hormones. The FSH hormone will act on the Sertoli cells while LH will act on the Leydig cells generating testosterone.
By Cristina Mestre Ferrer BSc, MSc (embryologist), Dra. Jessica García Cataño (gynecologist), Marta Barranquero Gómez (embryologist) and Romina Packan (invitra staff).
Last Update: 01/27/2020