<prompt> Myringotomy is:Surgical opening in Eustachian tubeSurgical opening in tympanic membraneSurgical opening in semicircular canalNone  <response>: Myringotomy is a surgical procedure of the eardrum or tympanic membrane.The procedure is performed by making a small incision with a myringotomy knife through the layers of tympanic membrane.This surgical procedure permits direct access to the middle ear space and allows the release of middle-ear fluid, which is the end product of otitis media with effusion OME, whether acute or chronic. 