Englisch, Deutsch
22.04.2018
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The sound funnelled in the pinna and the ear canal hits the eardrum causing it to vibrate. The vibrating eardrum transmits its movements to the ossicles.
These are connected to each other via joints:
- The malleus moves the incus.
- Malleus and incus move as a whole
around a joint axis.
- The incus transmits the movements to
the stapes or its footplate.
- The footplate is pressed into the oval window.
Lever effects mean that the sound is amplified twentyfold during transmission from eardrum to inner ear.
Information and ideas:
The graphic is good for understanding the transmission of vibrations in the hearing organ.
Relevant for teaching:
Structure and functions of a sense organ
Reception of stimuli and transmission of information
Functions of senses
These are connected to each other via joints:
- The malleus moves the incus.
- Malleus and incus move as a whole
around a joint axis.
- The incus transmits the movements to
the stapes or its footplate.
- The footplate is pressed into the oval window.
Lever effects mean that the sound is amplified twentyfold during transmission from eardrum to inner ear.
Information and ideas:
The graphic is good for understanding the transmission of vibrations in the hearing organ.
Relevant for teaching:
Structure and functions of a sense organ
Reception of stimuli and transmission of information
Functions of senses
Diesem Medium sind keine weiteren Medien zugeordnet.
Illustration
Biology
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Anatomy (human); Ear; Sound; Ear (middle ear); Medical illustration; Sound transmission
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