Pesulus or Pessulus: How To spell?
The word Pesulus is misspelled against Pessulus, a noun meaning "A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds."
The word Pesulus is misspelled against Pessulus, a noun meaning "A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds."