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| [[Image:Syrinx Anatomy.jpg|thumb|right|150px|Anatomy of the Syrinx - Copyright RVC]] | | [[Image:Syrinx Anatomy.jpg|thumb|right|150px|Anatomy of the Syrinx - Copyright RVC]] |
− | ==Structure and Function== | + | ==Structure== |
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| *Specialisation of the trachea bifurcation | | *Specialisation of the trachea bifurcation |
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| *Composed of ossified cartilages, vibrating membranes and muscles | | *Composed of ossified cartilages, vibrating membranes and muscles |
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| + | ==Function== |
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| *Lateral and medial walls of the primary bronchi are membranous and flutter which produces sound | | *Lateral and medial walls of the primary bronchi are membranous and flutter which produces sound |
− | **Sound is produced on expiration
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− | **Increased pressure in the clavicular air sac causes the tympanic membrane of the syrinx to be forced into the lumen and vibrate
| + | *Sound is produced on expiration |
− | **Tension of the membranes is controlled by the tracheolateral muscles
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| + | *Increased pressure in the clavicular air sac causes the tympanic membrane of the syrinx to be forced into the lumen and vibrate |
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| + | *Tension of the membranes is controlled by the tracheolateral muscles |
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| + | *Each half of the syrinx can function independently allowing 2 different notes to be produced at the same time |
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| ==Vasculature== | | ==Vasculature== |
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| *Songbirds have a complex set of syringeal muscles | | *Songbirds have a complex set of syringeal muscles |
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| + | *Parrots have a thick [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] which allows them to make sounds similar to humans |
| + | **Sound travels from the syrinx and is modified in the throat, [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] and mouth |
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| ==Links== | | ==Links== |