LINEA SPIRALIS Meaning and
Definition
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Linea spiralis, also known as the spiral line, is a term used to describe a prominent anatomical feature found in the inner ear, specifically in the cochlea. The cochlea is a spiral-shaped, snail-like structure in the ear responsible for converting sound vibrations into electrical signals that can be processed by the brain.
The linea spiralis is a delicate bony ridge that follows the spiral shape of the cochlea. It is located on the modiolus, which is a central bony pillar that runs through the center of the cochlea. The modiolus provides support and houses the blood vessels and nerves that supply the cochlea.
The linea spiralis serves an important function in the process of hearing. It acts as the attachment site for the basilar membrane, a thin, flexible membrane that spans the length of the cochlea and supports the sensory cells responsible for detecting sound. The basilar membrane is integral in the transduction of sound waves into nerve impulses.
In addition to its role in sound perception, the linea spiralis also marks the boundary between the two fluid-filled compartments of the cochlea – the scala vestibuli and the scala tympani. This boundary is crucial for maintaining the proper functioning of the cochlea and ensuring that sound vibrations travel through the fluid-filled chambers effectively.
Overall, the linea spiralis is a defining feature of the cochlea, aiding in the transmission and interpretation of sound signals and providing structural support to essential components involved in the auditory process.
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Spiral line, l. intertrochanterica.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for LINEA SPIRALIS
- kinea spiralis
- pinea spiralis
- oinea spiralis
- lunea spiralis
- ljnea spiralis
- lknea spiralis
- lonea spiralis
- l9nea spiralis
- l8nea spiralis
- libea spiralis
- limea spiralis
- lijea spiralis
- lihea spiralis
- linwa spiralis
- linsa spiralis
- linda spiralis
- linra spiralis
- lin4a spiralis
- lin3a spiralis
- linez spiralis
Etymology of LINEA SPIRALIS
The term "linea spiralis" has its etymology rooted in Latin. "Linea" means "line" or "thread", and "spiralis" means "spiral" in Latin. When combined, "linea spiralis" literally translates to "spiral line" in English.
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