pessulus
Pes"su*lus, n.; pl. Pessuli. Etym: [L., a bolt.] (Anat.) Defn: A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds.
Pes"su*lus, n.; pl. Pessuli. Etym: [L., a bolt.] (Anat.) Defn: A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds.