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Posted on May, 12 2019 by Michael Burnstagged with :
Cochlea hair cells diagram - the cochlea is filled with a watery liquid the endolymph which moves in response to the vibrations ing from the middle ear via the oval window hair cells hair cells the specialized mechanoreceptor cells of the auditory and vestibular systems are found in several positions along the chambers and passageways of the membranous labyrinth sound waves enter the outer ear and travel through a narrow passageway called the ear canal which leads to the eardrum the eardrum vibrates from the in ing sound waves and sends these vibrations to three tiny bones in the middle ear auditory messages are conveyed to the brain via two types of pathway the primary auditory pathway which exclusively carries messages from the cochlea and the non primary pathway also called the reticular sensory pathway which carries all types of sensory messages sensory coding loud vs soft sounds the organ of corti allows us to discriminate.
between different sound intensities loud sounds produce more vigorous vibrations of the organ of corti thereby exciting a greater number of hair cells over a greater area of basilar membrane the ears contain structures for both the sense of hearing and the sense of balance the eighth cranial nerve vestibulocochlear nerve made up of the auditory and vestibular nerves carries nerve impulses for both hearing and balance from the ear to the brain cross section of cochlea endolymph is located in the cochlear duct the light green region at the middle of the diagram also found within the inner ear are the two equilibrium detecting structures of the ear the vestibule and the semicircular canals the vestibule a small hollow region next to the cochlea contains otolithic membranes that detect static equilibrium how does the ear work the anatomy of our hearing or auditory system is extremely.
plex but can be broadly divided into two parts one being called peripheral and the other central start studying chapter 15 test the special senses learn vocabulary terms and more with flashcards games and other study tools