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| The Auditory (Pharyngotympanic) tube |
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Function |
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| Equalize pressure in the middle ear, with atmospheric pressure by allowing free movement of the tympanic membrane. | |
| Blood supply | |
*Veins – pterygoid plexus. |
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| Innervation | |
The cartilaginous part of the tube remains closed, except during swallowing or yawning. The tube is opened by simultaneous contraction of the tensor paliti and salpingo pharyngeus muscles, which are attached to opposite sides of the tube. |
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