PICKED-UP NAILS. 
779 
tendon and tendon sheath, because necrosis usually remains confined to 
one spot, and healing occurs after exfoliation, even though the latter 
Fig. 294.—Operation for partial resection of the aponeurosis of the flexor pedis perforans tendon. 
Fig. 295. —Operation for complete resection of th aponeurosis of the flexor pedis perforans 
tendon. A, Cut surface of frog and plantar cushion ; B, section of the aponeurosis of the 
flexor tendon; C, postero-inferior surface of the navicular hone ; D, interosseous ligament; 
E, oblique section of the aponeurosis of the flexor tendon; F, tendinous surface of navicular 
bone cleaned by curetting. 
