Blotched Blue Tongue (T. nigrolutea) Blotched Blue Tongue Lizard - Image courtesy of Matt Clancy, Wikimedia. All have similar care requirements, but it's best to research the specific one you have to make sure youâre looking after it the best you can.
The hypothalamus-pituitary-gonadal (HPG) axis. 1  Sex hormone synthesis is controlled by the pulsatile release of hypothalamic gonadotropin-releasing hormone (GnRH)  At the pituitary gland, GnRH stimulates the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) into the general circulation.
Follicle Stimulating Hormone (FSH). FSH is a type of glycoprotein that is produced in the anterior pituitary via gonadotroph cells. FSH secretion is regulated by GnRH from the hypothalamus. The target tissue of FSH in males are the sertoli cells within the testes and in the female the granulosa cells of the ovary.