{{Short description|Anatomical term related to birds}} The '''pessulus''' is a delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds. In some birds such as ''Anas platyrhynchos'' 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 == {{reflist}}
Category:Bird anatomy
{{bird-stub}} {{Vertebrate anatomy-stub}}