#male_reproductive_system  the reproductive system of males
  supertype:  #reproductive_system__genital_system__genitalsystem  organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring
  part:  #prostate_gland  #sperm_cell  #male_genitalia  #Cowper's_gland  #testis  #vas_deferens  #penis  #seminal_vesicle
  part of:  #male_body  the body of a male human being
     part of:  #male_person__male  a person who belongs to the sex that cannot have babies

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