The book (also called the libretto) is the least appreciated and yet most dramatically important element of a musical. It is the narrative structure that keeps the score from being nothing more than a disjointed medley of songs.
Another term for the eardrum is the tympanic membrane, which is the scientific term for the eardrum. The tympanic membrane is a circular layer of tissue that separates the outer ear from the middle ear. It is incredibly thin and only measures roughly 0.1 millimeter thick. Continue Reading.
âââââââââââââââââââââââââââââââââââââââââââââââThe eardrum is a small membrane at the end of the ear canal. These sound waves vibrate the eardrum; the sounds are then transmitted to the bones of hearing (ossicles). The eardrum also protects the middle ear so debris and bacteria do not enter the middle ear.here are many ways an eardrum perforation can occur. An infection behind the eardrum in the middle ear may cause a rupture of the eardrum. Trauma to the ear may result from an object entering the ear canal and puncturing the eardrum.