Urethral<unk>  is a narrowing<unk>  of the opening of the urethra at the external meatus, thus constricting the opening through which urine leaves the body from the urinary bladder.
Meatal stenosis
Laryngomalacia
Perforated eardrum
Nasopalatine cyst
Nasal septum perforation
Thyroglossal cyst
Adenoid hypertrophy
Retropharyngeal abscess