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.
The eardrum. The eardrum is a thin sheet of tissue that separates the outside ear from the middle ear. The eardrum plays an important part in hearing. A hole in the eardrum can cause one or more of these problems: Your child may not hear clearly. Water can get into the middle ear, which can lead to ear infections.