158 



HUMAN ANATOMY. 



THE ANTERIOR THORACIC ARTICULATIONS. 



These include three sets : 



I. The Intersternal Joints, or those uniting the segments of the sternum ; 



Fig. 182. 



Sterno-clavicular joint 



"4- Anterior intersternal 

 ligament 



Chondro-sternal ligament 



Costo-xiphoid ligament 



Interchondral ligament 



The sternum and costal cartilages from before. 



2. The Costo-Sternal Joints, or those uniting the ribs by means of their 

 cartilaginous extensions with the sternum ; 



3. The Interchondral Joints, or those uniting certain of the costal cartilages 

 with one another. 



