thyroid hormones. thyroxine or t4, triiodothyronine or t3, and calcitonin

thyroid gland hormones thyroxine triiodothyronine calcitonin endocrine system hypothyroidism hyperthyroidism synthesis peroxidase thyroglobulin iodine conversion metabolic metabolism regulation hormonal goiter graves disease hashimoto thyroiditis replacement therapy autoimmune deficiency medicine health endocrinology cancer treatment anatomy diagnosis pain inflammation healthy disorder patient endocrinologist illness body examination tumor carcinoma surgery healthcare function science isometric flat vector poster close-up human brand font text presentation diagram cartoon advertising screenshot circle organ logo line design document multimedia drawing banner