Trachea act as a resonator to amplify sound. In some birds, the tracheal rings are complete, and may even be ossified. In amphibians, the trachea is normally extremely short, and leads directly into the lungs, without clear primary bronchi. A longer trachea is, however, found in some long-necked salamanders, and in caecilians. While there are irregular cartilagenous nodules on the amphibian trachea, these do not form the rings found in amniotes. The only vertebrates to have lungs, but no trachea, are the lungfish and the "Polypterus", in which the lungs arise directly from the pharynx. The word "trachea" is used to
The Name of the Rose known as Bernard of Morlaix). Medieval manuscripts of this line are not in agreement: Eco quotes one Medieval variant verbatim, but Eco was not aware at the time of the text more commonly printed in modern editions, in which the reference is to Rome ("Roma"), not to a rose ("rosa"). The alternative text, with its context, runs: "Nunc ubi Regulus aut ubi Romulus aut ubi Remus? / Stat Roma pristina nomine, nomina nuda tenemus". This translates as "Where now is Regulus, or Romulus, or Remus? / Primordial Rome abides only in its name; we hold only naked names." Also the