How Do You Spell NAVEL OF THE DRUM MEMBRANE?
Pronunciation: [nˈe͡ɪvə͡l ɒvðə dɹˈʌm mˈɛmbɹe͡ɪn] (IPA) 
Pronunciation: [nˈe͡ɪvə͡l ɒvðə dɹˈʌm mˈɛmbɹe͡ɪn] (IPA)
Navel of the drum membrane refers to the central part of the tympanic membrane, also known as the eardrum. The tympanic membrane is a thin, transparent layer that separates the outer ear from the middle ear. Its navel, specifically, is an anatomical feature located at the midpoint of the drum membrane, resembling a small depression or concave shape.
The navel of the drum membrane is a vital structure involved in the process of hearing. When sound waves enter the ear canal, they cause vibrations in the air. These vibrations then travel down the ear canal and reach the drum membrane, causing it to vibrate in response. The navel of the drum membrane serves as a point of convergence for these vibrations, amplifying and transmitting them to the ossicles, which are the three small bones in the middle ear.
The role of the navel is critical in the transmission of sound energy from the outer ear to the middle ear. It helps to ensure that the incoming sound waves are efficiently converted into mechanical vibrations, which can be further transmitted to the inner ear for auditory processing.
Anatomically, the navel of the drum membrane is situated equidistant from the outer edge of the membrane, corresponding to the umbo, and the annulus, which is the circular outer rim of the eardrum. Its distinct position and structural characteristics make it a significant feature of the tympanic membrane, contributing to the overall hearing function.
Umbo membranae tympani.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
