the median eminence content of immunoreactive somatostatin ( irs ) was measured by radioimmunoassay in 107 male albino rats , who were either hypothyroid after surgical thyroidectomy ( n = 38 ) , hyperthyroid following a subcutaneous implant of 5 mg of l-thyroxine ( n = 36 ) , or otherwise untreated ( n = 33 ) .
C0020676
hypothyroid
C0040165
thyroxine