human thyroid gland

abdomen anatomical anatomy arytenoid biology body cancer cartilage cricoarytenoid cricoid cricothyroid diagnose diagram disease endocrine epiglottis gland health healthcare healthy hormone human hyoid hyperthyroidism hypothyroidism illustration inflamed inflammation inside internal isthmus larynx lung male man medical medicine neck organ parathyroid pharynx ray render science system throat thyreoidea thyroid trachea