Fig. 1

Findings of endocrine function tests 1. Findings at 58 years of age. TSH (closed circles, thick solid line) and PRL (open circles, thin solid line) responses to TRH (500 μg, i.v.), and LH (open triangles, thick solid line) and FSH (open squares, dashed line) responses to LH-RH (100 μg, i.v.) (a). GH response to arginine (0.5 g/kg, d.i.v.) (b). GH response to GHRP-2 (100 μg, i.v.) (c). TSH, thyroid-stimulating hormone; PRL, prolactin; TRH, thyrotropin-releasing hormone; LH, luteinizing hormone; FSH, follicle-stimulating hormone; LH-RH, luteinizing hormone-releasing hormone; GH, growth hormone; GHRP-2, GH-releasing peptide-2; i.v., intravenous infusion; d.i.v., drip intravenous infusion