Trachea into left and right main bronchi. The trachea begins level with the sixth cervical vertebra and the carina is found at the level of the fifth thoracic vertebra (T5), opposite the sternal angle and can be positioned up to two vertebrae lower or higher, depending on breathing. The trachea is surrounded by rings of hyaline cartilage; these rings are incomplete and C-shaped. The cricoid cartilage is attached to the first tracheal ring at top of the trachea and acts as the bottom of the larynx. There are fifteen to twenty rings in total, separated by narrow intervals. These reinforce the
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