scheme of thyroid function. structural chemical formulas of thyroid hormones

anatomical anatomy body care connection deficiency disease disfunction disorder endocrine endocrinologist enlarged female function gland goiter goitre health healthcare healthy hormone human hyperthyroid hyperthyroidism hypothalamus hypothyroid icon illustration iodine large larynx medical neck normal organ schematic scheme structure swelling system throat thyroid thyroxine trachea triiodothyroine vector woman