120 



THE SKELETON OF THE UPPER EXTREMITY 



Dorsal transverse ridge 



Articular facet for the os 

 magnum 



Articular facet for the 

 lunar bone 



_ Tuberosity of the scaphoid 

 1; Tuberositas 



li 



. Articular facet for the radius 



-Dorsal transverse ridge for 

 ligaments 



.. Articular facet for the 

 trapezoid bone 



- Articular facet for the 

 trapezium 



FIG. 279. DISTAL ASPECT. FIG. 280. POSTERIOR ASPECT. 



Os NAVICULARE MANUS THE RIGHT SCAPHOID BONE. 



Posterior surface-.. 



Articular facet for the . .. 

 scaphoid bone 



Articular facet for the os magnum 



Articular facet 

 for the radius 



Articular facet for- 

 the pyramidal or 

 cuneiform bone 



_ Articular facet for the os 



magnum 



- Articular facet for the 

 !/ unciform bone 



FIG. 281. RADIAL ASPECT. 



Palmar surface 



FIG. 282. ULNAR ASPECT. 



Os LUNATUM THE RIGHT LUNAR (OR SEMILUNAR) BONE. 



Posterior surface 



Articular facet for the 

 unciform bone 



Articular facet for the lunar bone - 



Articular facet for the pisiform bone 



FIG. 283. RADIAL ASPECT. FIG. 284. PALMAR ASPECT, 



Os TRIQUETRUM THE RIGHT PYRAMIDAL OR CUNEIFORM BONE. 



V, 



Articular facet for the 

 pyramidal or cuneiform bone 



FIG. 285. PALMAR ASPECT. FIG. 286. POSTERIOR ASPECT. 



Os PISIFORME THE RIGHT PISIFORM BONE. 



Lunar (or semilunar) bone 

 Os lunatum 



Pyramidal or cuneiform bone 

 Os triquetrum 



Pisiform bone 

 Os pisiforme 



Dnclform bone 

 Os haraatum 



Os magnum, or capitate bone 



Os capitatum 



Scaphoid bone 



Os naviculare 



Central bone of the carpus (var. ) 

 Os centrale carpi (var. ) 



Trapezoid bone 



Os multangulum minus 



Trapezium 



Os multangulum majus 



FIG. 287. THE POSTERIOR ASPECT OF THE RIGHT CARPUS, CONTAINING AN Os CENTRALE. 



Ossa carpi_The bones of the carpus : first, superior, or proximal row. 



