#epididymis  a convoluted tubule in each testis; carries sperm to vas deferens
  supertype:  duct__canal__channel  a bodily passage or tube conveying a secretion or other substance
  part of:  testis  seminal_duct
  part:  vasa_efferentia  the several highly convoluted tubules that lead from the rete testis to the vas deferens and form the head of the epididymis

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