ARTJCULA TIONS. LIGAMENTS. 



427 



5. Subdivisional Parts. Head of humerus, glenoid of scapula. 



6. Articular Surfaces. Humeral of scapula, scapular of humerus. 



7. Basis. A complete capsule lined by synovial membrane. 



8. Subdivisions. Not subdivided for description. 



9. Strengthening Bands. Three gleno-humeral ligaments. 





, ^iiiu External portion 

 of capsule 



Stylo-mandibular ligament 



Fit;. 295. EXTERNAL VIEW OF TEMPORO-MANDIBULAR JOINT. 



Internal portion 

 of capsule 



Spheno-mandibular 

 ligament 



Btylo-maudibular 

 ligament 



FIG. 296. INTERNAL VIEW OF TEMPORO-MANDIBULAR JOINT. 



10. Incorporated tendon of pectoralis minor in primitive man. 



11. Limitations. Clavicle, acromion, and coracoid process. 



12. Nerve-supply. Subscapular, circumflex, suprascapular. 



13. Blood-supply. Circumflex, subscapular, dorsalis scapulae, axillary. 



14. Ligamcntous Muscles. (i) Biceps; (2) triceps; (3) supraspinatus ; (4) 



