THE ULXAR REGION. 



495 



Relations. By its superficial surface, with the internal portion of the palmar 

 fascia, and the Palmaris brevis ; by its deep surface, with the Opponens. 



The Opponens minimi digiti (Fig. 307) is of a triangular form, and placed 

 immediately beneath the preceding muscles. It arises from the unciform process 



FIG. 316. Muscles of the left hand. Palmar surface. 



of the unciform bone and contiguous portion of the annular ligament ; its fibres 

 pass downward and inward, to be inserted into the whole length of the meta- 

 carpal bone of the little finger, along its ulnar margin. 



Relations. By its mpcrjicial surface, with the Flexor brevis and Abductor 

 minimi digiti : by its deep surface, with the Interossei muscles in the fourth 



