pituitary gland anatomy. human endocrine system, brain and hypothalamus

endocrine endocrinology hormone system function medicine pituitary human anatomy health disease medical balance body regulation flat adrenal vector anatomical healthcare organ science healthy normal physiology gland biology hypothalamus secretion brain hypophysis internal glucocorticoids adrenaline hormonal homeostasis nervous cerebral cerebellum nerve structure hypothalamic adh cell fsh web prl banner landing page