Sentence:  Resection is preferable to amputation in the greater number of lesions of the upper <WSD>extremities</WSD>, as the principal function is that of mobility.—"Sedillot." ... Resection of the phalanges, in whole or part, is occasionally required as the result of deep-seated inflammation. 
Meaning of the word marked with <WSD> tags:  A hand or foot. (from early 15th c.)