secretory organ secreter secretor adenohypophysis isles of Langerhans islands of Langerhans parathyroid pars anterior ductless gland corpus luteum islets of Langerhans pituitary neurohypophysis thyroid gland pineal gland posterior pituitary pars intermedia thyroid pituitary body anterior pituitary gland gland pars distilis posterior pituitary gland endocrine system prostate prostate gland thymus gland gonad parathyroid gland pars nervosa thymus endocrine gland adrenal cortex epiphysis pituitary gland hypophysis suprarenal gland pineal body adrenal medulla sex gland anterior pituitary adrenal gland adrenal epiphysis cerebri

endocrinal

steroid TSH internal secretion epinephrin STH corticotrophin thyroid hormone corticotropin adrenosterone somatotrophin MSH hypothalamic releasing hormone sex hormone somatotropin human growth hormone melatonin thyrotropin-releasing factor adrenocorticotropin Pitressin adrenocorticotropic hormone thyrotrophic hormone oxytocin GI hormones Adrenalin melanocyte-stimulating hormone RH neurohormone releasing factor thyrotrophin thyrotropic hormone vasopressin thyroid-stimulating hormone gastrointestinal hormone somatotropic hormone adrenocorticotrophin secretion hypothalamic releasing factor TRH thyrotropin insulin parathormone growth hormone relaxin somatotrophic hormone gonadotrophin ACTH releasing hormone antidiuretic hormone adrenaline catecholamine thymosin parathyroid hormone protirelin gonadotrophic hormone gonadotropin Pitocin steroid hormone glucocorticoid glucagon TRF hormone epinephrine thyrotropin-releasing hormone ADH gonadotropic hormone adrenocorticotrophic hormone