| OCR Text |
Show 172 The ulnar side is the most irregular. middle and contains two facets for the It is in the concave of positioning sesamoid bone. a The ventromedial side appears truncated. The palmar surface is anteroposteriorly an The medial roughened ridge. termination, narrow, rounded a slightly knob, is the most ventral. Almost the entire distal surface is articular facet for the hamate. wider dorsoventrally than occupied by a The distal surface is concave slightly mediolaterally. Pisiform: The distal and The appearance. triquetral sloping plane. a proximal ends end is enlarged, giving it are anteroposteriorly surface is The concave and is proximoradial point small knob that connects it to the The posteroproximal portion. The on shaft, both thus as when in the causing a scapholunar. present greater portion of carpal complex, slightly anteriorly proximal A convex, on and bears smooth the the ulna articular concave, is directed in a The ulnar border of the shaft is not the other borders. deeply on the lateral side. dorsopalmar direction. concave hourglass flattened and is is the most surface for articulation with the ulna is surface is an in cross-section. oval-shaped The proximal The medial and lateral borders but the medial the distal end of the concavity pisiform extends further to appear hooked as are distad, |
