1

triangular fibro-cartilage

2

placed on the ulna, points to the synovial cavity of the inferior radio-ulnar articulation

3

external lateral

4

internal lateral ligament and between them (3 and 4) he synovial cavity of the wrist

5

scaphoid bone

6

lunar

7

pyramidal

8,8

upper portion

8', 8'

lower portion of the general synovial cavity of the intercarpal and carpo-metacarpal articulations

between 5 and 6, and 6 and 7, the interosseous ligaments are seen separating the carpal articular cavity from the wrist-joint;

between the four carpal bones of the lower row, and getween the magnum and scaphoid, the intersseous ligaments are also shown

the upper division of the synovial cavity communiates with the lower between 10 and 11, and between 11 and 12

x

marks one of the three interosseous metacarpal ligaments

9'

separate synovial cavity of the first carpo-metacarpal articulation

13

first metacarpal bone

14

fifth metacarpal bone.