abstract of human thyroid on blue background.

3dillustration airway anatomical anatomy anatomybody arytenoid biology body cancer cartilage corniculate cricoarytenoid cricoid cricothyroid diagram disease drawing endocrine epiglottis gland health healthcare healthy hormone human hyoid hyperthyroidism illustration inflammation internal isthmus laryngeal larynx male medical neck oblique parathyroid pharynx process prominence science section system test throat thyroid trachea vestibular xray