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Item ID: W42567   Source ID: 2

Description: This 5 times life-size ear depicts internal and external anatomy as well as the function of the semicircular canals. Two of the middle ear ossicles, the malleus (hammer) and incus (anvil), and the attached see-through tympanic membrane lift out for hands-on study. Also detachable is the entire labyrinth unit consisting of the cochlea, vestibule, semicircular canals... More

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This 5 times life-size ear depicts internal and external anatomy as well as the function of the semicircular canals. Two of the middle ear ossicles, the malleus (hammer) and incus (anvil), and the attached see-through tympanic membrane lift out for hands-on study. Also detachable is the entire labyrinth unit consisting of the cochlea, vestibule, semicircular canals auditory nerve and the third ossicle, the stapes (stirrup). Two of the three semicircular canals are made of transparent plastic tubing filled with colored fluid representing the endolymph. A visible air bubble in each will shift position when tilted, demonstrating the function of the canals in maintaining equilibrium. A spiral cutaway of the cochlea shows its three canals in contrasting colors to enhance teaching the concept of pitch.

Max Image Size: 400 pixels wide by 340 pixels high


 
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