BONES 



226 



BONES 



Clavicle, Inferior Aspect. 



i. Longitudinal de- 

 pression for inser- 

 tion of subclavius 

 muscle. 2. Rough 

 impression for 

 attachment of cos- 

 to-clavicular liga- 

 ment. 3, 3. For 

 attachment of 



coraco-clavicular ligaments. 4, 4. Posterior border. 5, 5. 



Anterior border. 6. Facet for articulation with sternum. 7. 



Facet for articulation with acromion. 



Scapula, Posteroex- 

 ternal Aspect. 

 1. Supraspinous fossa. 



2. Infra-spinous fossa. 



3. Superior or cora- 

 coid border. 4. Cora- 

 coid or suprascapu- 

 lar notch. 5. Axillary 

 or external border. 6. 

 Anterior angle and 

 glenoid cavity. 7. 

 Inferior angle. 8. 

 Rough impression for 

 long head of triceps. 



9. Internal or spinal 

 or vertebral border. 



10. Spine. 11. Smooth 

 surface over which 

 trapezius muscle 

 glides. 12. Acro- 

 mion. 13. Base of 

 spine. 14. Coracoid 

 process. 



Humerus, Anterior Aspect. 



1. Diaphysis. 2. Humeral head. 

 3. Anatomic neck. 4. Greater 

 or external tuberosity. 5. 

 Lesser or anterior tuberosity. 

 6 Bicipital groove. 7. Ridge 

 for attachment of coraco- 

 braehialis muscle. 8. Anter- 

 ior border of shaft. 9 Ex- 

 ternal surface. 10. Onficeof 

 nutrient canal. 11. Lesser or 

 radial head. 12. Trochlea. 

 13. External condyle or epi- 

 condyle. 14. Internal con- 

 dyle or epitrochlea. is. In- 

 ferior portion of external bor- 

 der. 16. Inferior portion of 

 internal border. i7.Coronoid 



Radius and Ulna, Anterior 

 Aspect. 



1. Anterior surface of body of 

 ulna. 2. Greater sigmoid 

 cavity. 3. Lesser sigmoid 

 cavity. 4. Olecranon. 5. 

 Coronoid process. 6. Orifice 

 of nutrient canal. 7. Interos- 

 seous space. 8. Head of 

 ulna. 9. Styloid process. 10. 

 Bodv of radius. 11. Head. 

 12. Neck. 13. Bicipital tu- 

 berosity. 14. Ridge for in- 

 sertion of pronator radii 

 teres. 15. Inferior extremity 

 of radius. 16. Styloid pro- 

 cess. 



Bones of Carpus, Dorsal Aspect 

 R Inferior extremity of radius. U. Inferior extremity of ulna. 

 F. Interarticular fibro-cartilage. S. Scaphoid. L. Semi- 

 lunar. C. Cuneiform. P. Pisiform. T. Trapezium. T 

 Trapezoid. M. Os magnum. U. Unciform. The numbers 

 upon these bones indicate the number of others with which 

 each articulates. 1, 2, 3, 4, 5. Proximal extremities of 1st, 2d, 

 3d, 4th and 5th metacarpal bones. 



Hand, Palmar Surface. 

 Scaphoid. 2. Semilunar. 3. Cuneiform. 4- Pisiform. 5. 

 " Trapezium. 6. Groove for tendon of flexor carpi radialis. 

 7 Trapezoid. 8 Os magnum. 9- Unciform. 10, 10. Meta- 

 carpal bones. II, 11. First phalanges of fingers. 12, ia. 

 Second phalanges. 13, 13- Third phalanges. 14. First phal- 

 anx of thumb. 15. Second phalanx. 



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Median Section of Pelvis, Plane and 

 Axis of Superior Strait. 



Sacro-vertebral 

 angle. 2, 2. Me- 

 dian section of 

 sacrum. 3. Me- 

 dian section of 

 coccyx. 4. Junc- 

 tion of sacrum 

 and coccyx. 5,5- 

 Sacral canal. 6, 

 6. Median sec- 

 tion of symphysis 

 pubis. 7. Antero- 

 posterior or sa- 

 cro pubic diam- 

 eter of pelvic in- 

 let. *. Prolong 

 ation of this di- 

 ameter. 8. Lim 

 perpendicular tc 

 this diameter a( 

 its middle. 9 

 Antero-postoriot 

 or cocci-puB 

 diameter of pel- 

 vic outlet. 10 

 Horizontal lint 



passing through inferior margin of symphysis pubis, n 

 Line perpendicular to last. 12. Arc of angle between then 

 two. 



