Bones of the Trunk. 



69 



Tuberculu-m 



89. The Vertebral Extremity of a Rib, Extremitas 



vert ebr alis. 



The vertebral extremity has a head, Capitulum, covered with carti- 

 lage, which shows on those ribs articulated with two vertebral articular 

 surfaces, two facets separated by a ridge, the Crista capituli. The flattened 

 portion of the ten upper ribs behind the head is called the neck, 

 Collum. 



