| 释义 |
DictionarySeesignEncyclopediaSeethumb nutthumb sign
A finding in patients with Marfan syndrome and other inherited connective tissue disorders. The thumb sign is positive if the distal phalanx of the thumb can be opposed beyond the ulnar border of the palmthumb signProtrusion of the thumb across the palm and beyond the clenched fist; seen in Marfan syndrome.See also: signLegalSeeSign |