#digit.extremity__dactyl  a finger or toe in human beings or corresponding part in other vertebrates
  supertype:  extremity__appendage__member  an external body part that projects from the body; "it is important to keep the extremities warm"
  subtype:  finger  toe
  part:  phalanx  nail.horny_structure
  part of:  vertebrate__craniate  animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

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