Brachydactyly type D, also known as murderer's thumb, stubbed thumb, spoon thumb, power thumb, short thumb, or toe thumb , is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.
Brachydactyly type D, also known as murderer's thumb, stubbed thumb, spoon thumb, power thumb, short thumb, or toe thumb , is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.
Source: Wikipedia "Brachydactyly type D" · CC BY-SA 4.0
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