THE SKELETON OF THE UPPER EXTREMITY 



119 



Lunar (or semilunar) bone 

 Os lunatum i 



Pyramidal or cuneiform bone 

 Os triquetrum \ 



Pisiform bone 

 Os pisiforrr.e 



Unciform bone 



Os hamatum 



Metaoarpal bones (second 



to fifth) 

 Ossa metacarpalia II. V 



Proximal or first phalanges 

 of the fingers (second to 



fifth) 



Phalanx prima digitorum 

 II. V. 



Medial or second 

 phalanges of the fingers 



(second to fifth) 

 Phalanx secunda digi- 

 torum II. V 



Scaphoid bone 



Os naviculare 



Os magnum, or capitate bone 

 Os capitatum 



^Trapezoid bone 



.- Os multangulum minus 



Trapezium 



Os multangulum majus 



Metacarpal bone of the thumb 



("first finger ") 

 Os metacarpalepollicis(digitil.) 



Proximal or first phalanx 



of the thumb 

 Phalanx prima pollicis 



Distal or second 



phalanx of the thumb 



Phalanx secunda 



pollicis 



Ungual, terminal, or third phalanges of 



the fingers (second to fifth) 

 Phalanx tertia digitorum II. V. 



FIG. 278. DORSAL ASPECT OF THE BONES OF THE RIGHT HAND SERN FROM THE 



DORSAL SIDE (FACIES DORSALIS). 



Skeleton manus The skeleton of the hand. 



