Absence | Agenesis | Atresia | of cricoid cartilage, epiglottis, glottis, larynx or thyroid cartilage | Cleft thyroid cartilage Congenital stenosis of larynx NEC Fissure of epiglottis Posterior cleft of cricoid cartilage
agenesievan cartilago cricoidea of thyroidea, epiglottis, glottis of larynx | atresievan cartilago cricoidea of thyroidea, epiglottis, glottis of larynx | ontbrekenvan cartilago cricoidea of thyroidea, epiglottis, glottis of larynx | congenitale stenose van larynx NEC | fissuur van epiglottis | gespleten 'cartilago thyroidea' | spleet achterzijde van cartilago cricoidea