Tympanum Health Dictionary

The sealing by a surgical tissue-graft of a hole or perforation in the drum (tympanum) which separates the middle and outer sections of the EAR. It is aimed at improving the subject’s hearing (see DEAFNESS); sometimes the operation is done to stop persistent DISCHARGE.... myringoplasty

(eardrum) the membrane at the inner end of the external auditory meatus, separating the outer and middle ears. It is formed from the outer wall of the lining of the tympanic cavity and the skin that lines the external auditory meatus. When sound waves reach the ear the tympanum vibrates, transmitting these vibrations to the malleus – one of the auditory *ossicles in the middle ear – to which it is attached.... tympanic membrane