lodine deficiency
Food
lodine excess
Stress
Catecholamines
Estrogens
Carrier defect
Nat
TRH
Hypothalamic lesion
Dopamine
Somatostatin
Glucocorticoids
TSH
Pituitary insufficiency
Autoimmune disease
TSI
Peroxidase
Peroxidase deficiency
ОН
TG
DIT
Coupling
ОН
Cell proliferation
Thyroglobulin
TG
Cell damage by tumor, inflammation, etc.
Proteolysis
Goiter
TG
MIT
ОН
Defective conversion
T4
TG
TG
Storage
Colloid
Genetic defect, #lodine excess, lithium
Follicle epithelial cell of the thyroid
Receptor defect
Target organs, e.g., heart