CHARGE syndromeusually involving coloboma of the eye, heart defects, atresia of the nasal choanae, retardation of growth and/or development, genital and/or urinary abnormalities
choanachoana (plural choanae) A funnel or funnel-shaped opening; an infundibulum. (anatomy, zootomy) A pair of apertures towards the back of the nasal cavity, opening