658 



THE VA&UULAR SYSTEMS 



and to the bodies of the vertebrae in the same manner as the lateral spina 

 branches from the vertebral. 



The collateral intercostal branch comes off from the intercostal artery near th 

 angle of the rib, and descends to the upper border of the rib below, along which i 

 courses to anastomose with the anterior intercostal branch of the internal marr 

 mary. 



FIG. 467. The abdominal aorta and its branches. 



Muscular branches (rami musculares) are given to the Intercostal and Pectora 

 muscles and to the Serratus magnus; they anastomose with the superior am 

 long thoracic branches of the axillary artery. 



The lateral cutaneous branches (rami cutanei laterales} accompany the latera 

 cutaneous branches of the intercostal nerves, and divide into anterior and posterio] 

 branches. 



