# Pessulus

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{{Short description|Anatomical term related to birds}}
The '''pessulus''' is a delicate bar of [cartilage](/source/cartilage) connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the [syrinx](/source/Syrinx_(bird_anatomy)) of birds. In some birds such as ''[Anas platyrhynchos](/source/Mallard)'' the pessulus may be ossified.<ref>{{cite journal |last1=Yilmaz |first1=Bestami |last2=Yilmaz |first2=Rahşan |last3=Arican |first3=Ilker |last4=Yildiz |first4=Hüseyin |title=Anatomical Structure of the Syrinx in the Mallard (Anas platyrhynchos) |journal=Harran Üniversitesi Veteriner Fakültesi Dergisi |date=2012 |url=https://www.researchgate.net/publication/309349972 |access-date=27 December 2021}}</ref>

== References ==
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Category:Bird anatomy

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