46 



TOPOGKAPHICAL ANATOMY OF 



followed later down the rest of the limb to its ultimate insertion into 

 the flexor area of the third phalanx. 



Accessory carpal bone (pisiform), 

 il, extensor carpi uluaris. 



}il. flexor carpi _ 

 ulnaris. 



Ulnar carpal bone 

 (cuneiform) . 



Fourth carpal bone 



(unciform). 



M. extensor carpi ulnaris. _. 



Intermediate carpal bone 

 (lunar). 



Third carpal bone 

 (magnum). 



-M. extensor carpi radialis. 

 . Third metacarpal bone. 



Foui'th metacarpal bone. _ 

 P£Q^ 26. — Lateral Asjiect ot" the Carpus, etc., with Areas of Muscular Attachment. 



Intermediate carpal bone 

 (lunar). 



Ulnar carpal bone 

 (cuneiform). 



Fourth carpal bone 

 (unciform). 



M. extensor carpi ulnaris 



Fourth metacarpal bone, 



Radial cai'pal bone 

 (scaphoid). 



Second carpal bone 



(trapezoid). 

 _ Third carpal bone 



(magnum). 

 . Second metacarpal bone. 



M. extensor carpi^radialis. 

 Third metacarpal bone. 



Fig. 27. — Dorsal (Anterior) Aspect of the Carpus, etc., with Areis of Muscular Attachment* 



The tendons of the superficial and deep flexor muscles are enclosed 

 in a common synovial sheath (vagina carpese) that extends upwards 

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