OSTEOLOGY 



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Lacrimomaxillary suture 

 Lacrimoconchal suture 

 Intermaxillary suture 

 Palatomaxillary suture 

 Palato-ethmoidal suture 

 Median palatine suture 

 Transverse palatine suture 



Synchondroses of the skull 



Spheno-occipital synchondrosis 

 Sphenopetrosal synchondrosis 

 Petro-occipital synchondrosis 

 Posterior intraoccipital synchondrosis 

 Anterior intraoccipital synchondrosis 

 Inters phenoidal synchondrosis 

 Larger frontal fontanelle 

 Smaller occipital jontanelle 

 Mastoid jontanelle 

 Sphenoidal jontanelle 



Bones of upper extremity 



Shoulder girdle 



Shoulder-blade 



Costal surface 



Muscular lines 



Subscapular fossa 



Dorsal surface 



Spine of the scapula 



Supraspinous fossa 



Infraspinous fossa 



Acromion, or acromial process 



Articular surface of acromion 



Vertebral margin 



Axillary margin 



Superior margin 



Inferior angle 



Lateral angle (O. T. anterior angle) 



Medial angle (O. T. superior angle) 



Glenoid cavity 



Neck of the scapula 



Infraglenoidal tuberosity 



Supraglenoidal tuberosity (O. T. su- 



praglenoid tubercle) 

 Scapular notch (O. T. suprascapular 



notch) 

 Coracoid ("crow's beak") process 



Collar bone or clavicle 



Sternal extremity 



Sternal articular surface 



Costal tuberosity (O. T. impression 



for rhomboid ligament) 

 Acromial extremity 

 Acromial articular surface 

 Coracoid tuberosity (O. T-. impression 



for conoid ligament) 



Skeleton of free upper 

 extremity 



Humerus, or upper arm bone 



Head of humerus 



Anatomical neck 



Surgical neck 



Larger tubercle (O. T. greater tuber- 

 osity) 



Smaller tubercle (O. T. lesser tuber- 

 osity) 



Intertubercular sulcus (O. T. bicipital 

 groove) 



Crest of larger tubercle (O. T. posterior 

 bicipital ridge) 



Crest of smaller tubercle (O. T. an- 

 terior bicipital ridge) 



Body of humerus, or shaft 



Medial anterior surface (O. T. internal 

 surface) 



Lateral anterior surface (O. T. external 

 surface) 



Posterior surface 



Medial margin (O. T. internal border) 



Lateral margin (O. T. external border) 



Deltoid tuberosity 



Groove for radial nerve (O. T. muscu- 

 lospiral groove) 



