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AAAC60  21/5/05  10:55 AM  Page 134
           60 The arteries II and the veins



                                                           C6                                         Subclavian artery
                                                           Inferior
                                                                                                      Costocervical
                                                           thyroid artery
                                                                                                      trunk
                                                           Vertebral artery
                    Scalenus anterior                                                                 First rib
                                                           Thyrocervical
                                                           trunk                                      Superior
                                                           Costocervical                              intercostal artery
                                                           trunk
                    Dorsal scapular
                    (usually)
                                                                                                      Apex of lung
                    Axillary artery
                    Subclavian artery
                    First rib
                                                               Fig.60.1
                    Internal thoracic artery                   The branches of the subclavian artery



                                                    Beginning of superior
                                                    sagittal sinus


                                                    Beginning of inferior
                                                    sagittal sinus

                                                    Superior ophthalmic vein

                                                    Intercavernous sinuses
                                                    Cavernous sinus
                                                                                                               Posterior
                                                    Superior petrosal sinus                                    cerebral
                                                    Inferior petrosal sinus                                    artery
                                                    Jugular foramen
                                                    Sigmoid sinus
                                                                                                               Posterior
                                                    Transverse sinus                                           inferior
                                                                                                               cerebellar
                                                    Great cerebral vein                                        artery
                                                    Straight sinus                                             Vertebral
                                                    Tentorium cerebelli                                        artery
                                                    Transverse sinus
                     Fig.60.2                                              Fig.60.3
                     The intracranial venous sinuses                       Vertebral angiogram














                134 Head and neck
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