A ruptured<unk>  is an opening or hole in the<unk> , which separates the outer and middle ear. When the<unk>  is damaged, the hearing may be harmed.
Perforated eardrum
Pseudocyst of the auricle
Meatal stenosis
Nasopalatine cyst
Thyroglossal cyst
Cornea verticillata
Tooth impaction
Rothia dentocariosa