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AAAC05  23/05/2005  2:59 PM  Page 14
            5 The pleura and airways





                                                                                                             Thyroid
                                                                                                             isthmus
                                Pulmonary artery                              Brachiocephalic            Left
                                Bronchus                                      artery                     brachiocephalic
                                Pulmonary veins                               Superior                   vein
                                Lymph node                                    vena cava
                                Cut edge of pleura                                                           Aortic arch
                                                                              Right
                                Pulmonary ligament                            pulmonary
                                                                              artery

                  Fig. 5.1                                                    Fig. 5.3
                  The principal structures                                    The anterior relations of the  trachea
                  in the hilum of the lung  Cricoid (C6)


                                          Trachea



                                                                                 Left main bronchus
                                Right main bronchus
                                                                                      Apical
                                                                                      Posterior
                                                                                      Apico-posterior
                                                                                      Anterior
                                      Apical
                                                                                      Lingular
                                      Posterior
                                      Anterior

                                      Middle                   Apical of
                                                               lower lobe             Anterior basal
                                                                                      Lateral basal
                                    Anterior basal
                                                               Medial basal           Posterior basal
                                    Lateral basal
                                    Posterior basal

                                    Fig. 5.2
                                    The trachea and main bronchi















                14 Thorax
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