TfJE ARTEMIES. 



Fig 282. 



^EZ. 



DISTRIBBTION OF THE AKTERIOR AORTA. 



1, Anterior aorta; 2, Left axillary artery; 3, Right axillary artery; 4, Dorsal 

 artery ; 5, Subcostal artery ; 6, Superior cervical artery ; 7, Vertebral artery ; 

 8, 8', Inferior cervical artery; 9, Origin of the internal thoracic artery; 10, 

 Origin of one of the external or intercostal branches of this artery; 11, One of 

 its inferior ramuscules ; 12, External thoracic artery ; 13, Origin of the super- 

 scapular artery ; 14, Primitive, or common carotid artery ; 14', Accessory thyroid 

 artery ; 14" Thyro-laryngeal artery ; 15, Atloido-muscular artery ; 16, Occipito- 

 museular artery ; 17, Posterior aorta. — A, Pulmonary aorta ; B, Trachea ; c, (Eso- 

 phagus ; D, Cervical ligament ; E, Superior branch of the ilio-spinal muscle ; F, 

 Inferior branch of the same ; G, Great complexus muscle ; H, Splenius muscle ; 

 I, I, Originating aponeurosis of the splenius and the small anterior serratus 

 muscles ; K, Section of the great oblique muscle of the head ; L, Great posterior 

 rectus muscle of the head; M, Great anterior ditto; N, Sterno-maxillaris muscle; 

 o, p, Great pectoral and sterno-prescapularis muscles txirned downwards. 



