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Dinesh

Dinesh club

Posted: 03 Jan 2023

Taken: 03 Jan 2023

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MAKING SPACE •
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Jennifer Groh •

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Figure 8.2

Figure 8.2
The organs of balance: the three semicircular canals, the utricle, and the saccule. These structures are located in the inner ear, adjacent to the cochlea

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 Dinesh
Dinesh club
Our sense of the direction we are moving comes largely from our ‘vestibular’ system -- our sense of balance. Though it was left off Aristotle’s lit of the five major senses, a sense of balance is nevertheless integral to the way we live. It helps us stay upright and helps us know that we are moving -- and where. Even if you sit in a chair (with wheels) and keep your eyes closed while someone pushes you around, your vestibular system can signal movement, direction, and speed. And it can signal when an elevator you are on starts to move, and usually whether it is going up or down.

Balance uses some of the same mechanisms as hearing and is actually thought to have evolved first. The sense organ for balance is located in the inner ear, near the cochlea, and the nerve that carries auditory information also carries information about balance (fig. 8.2) The balance organs have several parts: three fluid-filled rings called the ‘semicircular canals,’ and two other fluid-filled cavities called the ‘utricle’ and the ‘seccule’. Each ear has a complete set of these components structures, and each component is responsible for detecting a different kind of movement. ~ Page 180

MAKING SPACE
17 months ago. Edited 17 months ago.

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