SUBSTANTIA PROPRIA MEMBRANAE TYMPANI Meaning and
Definition
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Substantia propria membranae tympani is a Latin term referring to the middle layer of the tympanic membrane, also known as the eardrum. The tympanic membrane is a thin, delicate structure located in the middle ear, separating the outer ear from the middle ear. It plays a vital role in the process of hearing by transmitting sound vibrations from the external ear to the middle ear.
The substantia propria is the thickest layer of the tympanic membrane and is composed of fibrous connective tissue. It is responsible for the eardrum's flexibility and ability to vibrate in response to sound waves. The mechanical vibrations received by the outer ear cause the tympanic membrane to vibrate, setting in motion a chain of events that ultimately lead to sound perception.
The substantia propria membranae tympani consists of collagen fibers and elastic fibers, which give strength and resilience to the eardrum. The arrangement and density of these fibers contribute to the specific mechanical properties of the tympanic membrane, allowing it to efficiently transmit sound energy.
In summary, substantia propria membranae tympani refers to the fibrous connective tissue layer situated in the middle ear's tympanic membrane. It is important for the eardrum's structural integrity, flexibility, and ability to vibrate, enabling the transmission of sound vibrations and ultimately contributing to the process of hearing.
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Membrana propria, the middle, fibrous layer of the drum membrane.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SUBSTANTIA PROPRIA MEMBRANAE TYMPANI
