thyroid gland front view

anatomical anatomy background basal biology body computer education endocrine endocrinology function generated generetion gland goiter goitre hormone human hyperthyroidism hypothyroidism iodine isolated lobe medical metabolism mucosa mucosal organ parathyroid regulate regulator render science secretion stimulating stimulation system thyroid thyroidstimulating thyronine tissue trh triiodothyronine tsh tyroxine white