Cochlea, light micrograph

Bildnummer 13504681
Cochlea, light micrograph
Light micrograph of a section through the fluid-filled canal of the cochlea of the inner ear. The canal is divided into three ducts (white). The vestibular membrane (thin diagonal lines) separates the upper vestibular duct from the central cochlear duct and the organ of Corti (thicker horizontal lines) lies between the cochlear duct and tympanic duct. Noise vibrations in the fluid in the canal cause vibrations in the vestibular membrane that in turn create vibrations in the organ of Corti. The tectorial membrane (very light blue at left of organ of Corti) vibrates and stimulates the sensitive hair cells on the basal membrane (blue at left of organ of Corti), which translate the vibrations to electrical signals that are sent to the brain via the auditory nerve (pink, centre). Magnification: x20 when printed at 15cm tall.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / EYE OF SCIENCE
Bildgröße: 5277 px × 6624 px
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