releasing hormones from hypothalamus stimulate pituitary to release trophic hormones which stimulate peripheral glands to produce and release their hormones.
tertiary hormone disorder
abnormality in the hypothalamus
secondary hormone disorder
abnormality in the pituitary
primary hormone disorder
abnormality in the actual endocrine gland
what is the difference between the anterior and posterior pituitary gland?
anterior pituitary secretes trophic hormones (hormones that stimulate other organs to secrete hormones) while posterior secretes hormones that don't need to stimulate another organ (ie: oxytocin and ADH).