FOREARM AND HAND 



117 



ence, it is joined by the superficial volaris branch of the 

 radial, or, more frequently, by a twig from the art. volaris 

 indicis radialis or art. princeps pollicis. The convexity of 

 the arch is directed distally towards the fingers, and its most 



Flexor ca 



Ulnar artery_j| 



Dorsal branch of ulnar nerve 



Ulnar nerve 



Deep branch of ulnar nerve 



Abductor digiti quinti 



Deep branch of ulnar artery. 



Superficial part of ulnar nerve 

 Opponens digiti quinti 



Abductor digiti 

 quinti 



Flexor brevis 

 digiti quinti 



4th lumbrical 

 3rd lumbrical 





Flexor digitorum sublimis 

 Flexor carpi radialis 

 Median nerve 



Radial artery 



Superficial volar artery 

 .Lig. carpi transversum (O.T. 

 anterior annular lig.) 

 Abductor pollicis longus 

 Abductor pollicis 

 _Opponens pollicis 

 Median nerve 

 Flexor brevis pollicis 



Abductor pollicis 



Superficial volar arch 

 (O.T. sup. palmar arch) 



Adductor pollicis, 

 transverse part. 



t lumbrical 



2nd lumbrical 



FIG. 46. The parts in the Palm which are displayed by the removal of the 

 Palmar Aponeurosis. In the specimen from which the drawing was taken 

 the arteria volaris indicis radialis and the arteria princeps pollicis took 

 origin from the arcus volaris superficialis. 



distal point corresponds with a line drawn across the palm 

 parallel with the distal border of the outstretched thumb. 



Throughout its entire extent the superficial volar arch 

 lies very near the surface. Its medial part is covered by the 



i Sb 



