. Radiography and radio-therapeutics . J ^Appear^ 4-5-)fr J Unites l&-20^y (j:^Appears 4-5J>r jUnites 18-20^yr V /Appears. Fig. 197.—Diagrram showing ossificationof the bones of the hand and the wrist-joint witli tlie times of union of epipliyseswitli diajihyses. Fig. 198.—Hand of a child over five years of development of bones of lower ends ofradius and ulna, carpal bones, metacarpals, andphalanges. The epiphysis for lower end of radiuswell developed. The ulnar epiphysis has not yetappeared. The os magnum and unciform, semi-lunar and cuneiform bones are also shown. Thepisiform is
. Radiography and radio-therapeutics . J ^Appear^ 4-5-)fr J Unites l&-20^y (j:^Appears 4-5J>r jUnites 18-20^yr V /Appears. Fig. 197.—Diagrram showing ossificationof the bones of the hand and the wrist-joint witli tlie times of union of epipliyseswitli diajihyses. Fig. 198.—Hand of a child over five years of development of bones of lower ends ofradius and ulna, carpal bones, metacarpals, andphalanges. The epiphysis for lower end of radiuswell developed. The ulnar epiphysis has not yetappeared. The os magnum and unciform, semi-lunar and cuneiform bones are also shown. Thepisiform is not shown. Note also the centre forthe end of the metacarpal bone of thethumb. into the joint should also be remembered in relation to the times at whichtheir epiphyses join the diaphyses. The internal epicondyle is not a partof the lower epiphysis of the humerus, but is formed from a separate centreof ossification. In an X-ray picture it is seen as a small, oval mass, higherup on the inner side of the humerus, and intimately connected with theinternal condyle. The epiphysis of the head of the radius is s
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