66 



Bones of the Trunk. 



85. The Brea,st-Bonc, 



Sternum, from before. 



86. The Breast-Bone, 



Sternum, from behind. 



The Sternum is divided into the Manubrium, Corpus or Gladiolus, 

 and the ensiform or xiphoid appendix, Processus xypJioideus. 



The superior border of the Manubrium presents in its center the 

 interclavicular notch or Jncisura sanihmaris, on both sides of wich are 

 tlie articular facets for the sternal end of the clavicle; the inferior border 

 is articulated with the Gladiolus. The Gladiolus is three times as long 

 as the Manuljrium ; the xiphoid appendix appears either curved, pointed, 

 bifid or perforated by a round hole. 



