OSTEOLOGY 



20 



Posterior arch 



Groove for vertebral artery 



Posterior tubercle 



Epistropheus ("a turning") (0. T. 



axis) 

 Tooth 



Anterior articular surface 

 Posterior articular surface 



Sacrum 



Dorsal surface 

 Pelvic surface 

 Base of sacrum 

 Superior articular process 

 Promontory (O. T. sacrovertebral 



angle) 



Lateral part 

 Auricular surface 

 Sacral tuberosity 

 Intervertebral foramina 

 Anterior sacral foramina 

 Transverse lines 

 Posterior sacral foramina 

 Middle sacral crest 

 Lateral sacral crests 

 Articular sacral crests 

 Sacral horns 

 Sacral canal 

 Sacral hiatus 

 Apex of sacrum 



Coccyx 

 Coccygeal horns 



Thorax 

 Ribs 



True ribs 



False ribs 



Rib bone 



Rib cartilage 



Head of the rib 



Articular surface of the head of the rib 



Crest of the head 



Body of the rib 



Tubercle of the rib 



Articular surface of the tubercle of the 



rib 



Neck of the rib 

 Crest of neck of rib 

 Angle of rib 



Scalene tubercle of Lisfranc 

 Subclavian groove 

 Tuberosity of the second rib 

 Costal groove 



Breast Bone 



Handle of sternum 



Angle of sternum 



Sternal synchondrosis 



Body of sternum (O. T. gladiolus) 



Sternal plain, or anterior surface 



Xiphoid process (O. T. ensiform 



process) 



Clavicular notch 

 Jugular notch (O. T. presternal 



notch) 



Notches for the ribs 

 Suprasternal bones 



Thorax 



Thoracic cavity 

 Upper thoracic opening 

 Lower thoracic opening 

 Arch of the ribs 

 Intercostal spaces 

 Infrasternal angle 

 Pulmonary sulcus 



Bones of the skull 



Basilar bone 

 Occipital bone 



Large occipital foramen 

 Basilar part 

 Inferior petrosal groove 

 Lateral part 



