The spelling of the word "annulus fibrocartilagineus membranae tympani" is complicated due to its Latin and medical origins. The word refers to a ring of fibrocartilage that surrounds the tympanic membrane in the ear. In IPA phonetic transcription, this word would be pronounced as [əˈnjuːlʌs faɪbrəʊˌkɑːtəlædʒɪnɪəs mɛmˈbreɪniː ˈtɪmpəni]. The proper spelling of this word is important in the medical field for accurate communication between professionals, as well as for precise documentation and research purposes.
The term "annulus fibrocartilagineus membranae tympani" refers to the ring-shaped fibrocartilage structure that surrounds the tympanic membrane in the ear. It is also commonly known as the tympanic annulus.
The annulus fibrocartilagineus membranae tympani is an essential component of the middle ear. It is a circular ridge that anchors the outer edge of the tympanic membrane to the bony structure of the auditory canal. This fibrous ring provides stability and support to the eardrum, enabling it to vibrate and transmit sound waves effectively.
Composed of fibrous and cartilaginous tissues, the annulus fibrocartilagineus membranae tympani has a flexible yet sturdy nature. It serves as a protective barrier, shielding the delicate structures of the middle and inner ear from external damage or infection.
The annulus fibrocartilagineus membranae tympani not only connects the tympanic membrane to the bony canal but also encloses and defines the boundary between the external ear canal and the middle ear. This structural arrangement contributes to the containment of sound within the middle ear, facilitating the efficient transmission of sound vibrations to the inner ear for processing.
In summary, the annulus fibrocartilagineus membranae tympani is a ring-like structure that attaches the outer edge of the tympanic membrane to the auditory canal. Its fibrous and cartilaginous composition provides stability, protection, and boundary definition to the middle ear, supporting sound transmission and preserving the integrity of the hearing process.
Fibrocartilaginous ring of the drum membrane, the thickened portion of the circumference of the membrana tympani which is fixed in the sulcus tympanicus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.