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.
Humoral Stimuli - Inhibition of Hormone Release. when a hormone's rlease is sensitive to presence of a humoral stimulus, there exists a companion hormone whose release is inhibited by the same humoral stimulus. Usually, companion hormone's effects oppose and counteract the secreted hormones action.