abnormal laryngeal cartilage morphology abnormal throat morphology abnormal epiglottis morphology MPheno.ontology 2010-08-27T12:39:55Z MP:0002259 MP:0010371 any structural anomaly of the most superior of the laryngeal cartilages, which is found at the root of the tongue and folds back over the entrance to the larynx during swallowing, preventing inhalation of food or drink csmith