56 



HITCHCOCK'S ANATOMY 



Tig. TO. 



General Character of the other Ribs, seen on their Upper and Under Surface. The 

 left hand figure is the Upper Face of the Rib. 1, Head of the Rib. 2, Its Tubercle. 

 3, Anterior Extremity for the attachment of the Costal Cartilage. 4, Groove for the Ar- 

 tery and Nerve. 5, Angle of the Rib. The right hand figure is the Under Surface of 

 the Rib. 1, The Head. 2, Its Tubercle. 3, Anterior Extremity. 4, Groove for Inter- 

 costal Artery and Nerve. 5, Angle of the Rib. 



body, which are divided into two classes, the true and the 

 false, or those which are closely united with the sternum, 

 and those which are remotely attached to it by long cartilages. 

 They are attached at their posterior extremities to the verte- 

 brae, and run downwards and forwards, so that when elevated, 



Fig. U. 



Vertebral Column. 



Ribs. 



Intercostal Muscles. ( 



Clavicle. 



.Third Rib. 



— Sternum. 



Seventh Rib. 



