Source:http://linkedlifedata.com/resource/umls/id/C0597248
CSP: interactions between the pituitary and the thyroid gland, in which the pituitary gland synthesizes and releases hormones into the bloodstream, which carries them to the thyroid gland, and thereby controlling the timing and amount of hormone secretion by the thyroid gland; thyroid hormone levels in turn feedback to control pituitary secretions.