Labels:text | screenshot | black | black and white | font | document OCR: otrophic The action of each of the hyp a single pituitary hormones is not limited stri hysiological hormone: for example, TRH of prolactin, and TH and GH; releaser of TSH) is a potent re (GnRH) releases in some circumstances releas gonadotrophin-releasing hor both luteinising hormone (L atostatin follicle-stimulating (FSH); an a wide variety of inhibits secretion of GH, TSI principal other nonpituitary hormone opamine, but inhibitor of prolactin secretic y on the nadotrophin this potent bioamine, acting pituitary, also inhibits TSH a e circumstances, secretion. Additionally, und it inhibits GH secretion