What stimulates a tropic hormone?
Tropic hormones are hormones that are secreted by the anterior (front) of the pituitary gland. Thyroid stimulating hormone (TSH) is one example of a tropic hormone. The release of this hormone, and all other tropic hormones, is regulated by the hypothalamus - the body's master gland. The hypothalamus secretes special releasing hormones which signal the pituitary to release the tropic hormone. When enough tropic hormone has been released, the hypothalamus secretes inhibitors - special hormones that stop the release of the tropic hormones.